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GB/T 2592.9-1981 Thallium;Determination of silicon content;Isoamyl alcohol extraction molybdenum blue absorption photometric method
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 15.0 Delivery: via email in 1~3 business day

GB/T 304.9-1981 Spherical plain radial bearings,joint type-Technical requirements
Issued on: 1981-06-24   Implemented on: 1982-1-1 Price(USD): 260.0 Delivery: via email in business day

GB/T 2592.7-1981 Thallium;Determination of aluminum content;Chromazurol S photometric method
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 15.0 Delivery: via email in 1~3 business day

GB/T 2590.1-1981 Zirconium and hafnium oxides;Determination of zirconium(hafnium)oxide contents;Mandelic acid gravimetric method
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 15.0 Delivery: via email in 1~3 business day

GB/T 2592.3-1981 Thallium;Determination of mercury content;Dithizone-carbon tetrachloride extraction photometric method
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 30.0 Delivery: via email in 1~3 business day

GB/T 2596-1981 Tungsten powder and tungsten carbide powder; Determination of specific surface product(average graininess) ; Simplified nitrogen absorption method
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 300.0 Delivery: via email in 1~3 business day

SJ 1821-1981 Preferred thin plated fine-pitch spur gears
Issued on: 1981-06-18   Implemented on: 1982-1-1 Price(USD): 105.0 Delivery: via email in 1~3 business day

GB/T 2675-1981 Paper for drawing land maps
Issued on: 1981-06-06   Implemented on: 1981-8-1 Price(USD): 15.0 Delivery: via email in 1~3 business day

GB/T 2592.6-1981 Thallium;Determination of lead content;Dithizone extraction photometric method
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 30.0 Delivery: via email in 1~3 business day

GB/T 2592.5-1981 Thallium;Determination of cadmium content;Dithizone extraction photometric method
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 30.0 Delivery: via email in 1~3 business day

GB/T 2592.1-1981 Thallium;Determination of copper content;Neocuproine-chloroform extraction photometric method
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 30.0 Delivery: via email in 1~3 business day

GB/T 2676-1981 Paper for drawing ocean maps
Issued on: 1981-06-06   Implemented on: 1981-8-1 Price(USD): 60.0 Delivery: via email in 1~3 business day

SJ 1820-1981 Preferred fine-pitch spur gears
Issued on: 1981-06-18   Implemented on: 1982-1-1 Price(USD): 120.0 Delivery: via email in 1~3 business day

GB/T 223.2-1981 Determination of sulphur content in iron,steel and alloy
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 120.0 Delivery: via email in 1~3 business day

GB/T 2592.4-1981 Thallium;Determination of zinc content;Dithizone extraction photometric method
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 30.0 Delivery: via email in 1~3 business day

SJ 1822-1981 Preferred fine-pitch straight bevel gears
Issued on: 1981-06-18   Implemented on: 1982-1-1 Price(USD): 120.0 Delivery: via email in 1~3 business day

GB/T 2590.10-1981 Hafnium oxides;Determination of manganese oxide content;Potassium periodate photometric method
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 15.0 Delivery: via email in 1~3 business day

GB/T 2590.11-1981 Zirconium oxide;Determination of nickel content;2,2
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 15.0 Delivery: via email in 1~3 business day

GB/T 2592.8-1981 Thallium;Determination of indium content;Crystal violet extraction photometric method
Issued on: 1981-06-07   Implemented on: 1982-3-1 Price(USD): 15.0 Delivery: via email in 1~3 business day

GB/T 2679.7-1981 Paper board-Determination of piercing strength
Issued on: 1981-06-06   Implemented on: 1981-8-1 Price(USD): 180.0 Delivery: via email in business day

GB/T 2681-1981 Colours of insulated conductors used in electrical assembly devices
Issued on: 1981-06-12   Implemented on: 1982-7-1 Price(USD): 45.0 Delivery: via email in 1~3 business day

Totally 21 standards related
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