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SJ 1768-1981 Metallic bell cover for vacuum equipment-Body case
Issued on: 1981-03-27   Implemented on: 1981-8-1 Price(USD): 30.0 Delivery: via email in 1~3 business day

SJ 1777-1981 Ultrahigh vacuum metal pump for oil diffusion(CK-100~600)-Performance specification
Issued on: 1981-03-27   Implemented on: 1981-8-1 Price(USD): 140.0 Delivery: via email in 1~3 business day

GB/T 196-1981 General purpose screw threads-Basic dimensions for diameter from 1 to 600mm
Issued on: 1981-03-14   Implemented on: 1983-7-1 Price(USD): 120.0 Delivery: via email in 1~3 business day

GB/T 197-1981 General purpose screw threads--Tolerances and fits for diameter from 1 to 355mm
Issued on: 1981-03-14   Implemented on: 1983-1-1 Price(USD): 165.0 Delivery: via email in 1~3 business day

GB/T 2524-1981 Sponge titanium
Issued on: 1981-03-25   Implemented on: 1982-1-1 Price(USD): 120.0 Delivery: via email in 1~3 business day

GB/T 2531-1981 Copper sheets for fixing boards in heat exchangers
Issued on: 1981-03-25   Implemented on: 1982-1-1 Price(USD): 30.0 Delivery: via email in 1~3 business day

SJ 1795-1981 Detail specification for 50-1000mA low current thyristors
Issued on: 1981-03-27   Implemented on: 1981-10-1 Price(USD): 570.0 Delivery: via email in 1~3 business day

GB/T 2540-1981 Petroleum products;Determination of density by pycnometer
Issued on: 1981-03-25   Implemented on: 1981-7-1 Price(USD): 60.0 Delivery: via email in 1~3 business day

GB/T 2514-1993 Hydraulic fluid power―Four-port directional control valves-Mounting surface
Issued on: 1981-03-01   Implemented on: 1994-6-1 Price(USD): 135.0 Delivery: via email in 1~3 business day

GB/T 193-1981 General purpose screw threads--Diameters and pitches
Issued on: 1981-03-14   Implemented on: 1983-1-1 Price(USD): 45.0 Delivery: via email in 1~3 business day

GB/T 2547-1981 Plastic resins;Sampling
Issued on: 1981-03-28   Implemented on: 1982-3-1 Price(USD): 105.0 Delivery: via email in 1~3 business day

GB/T 2539-1981 Paraffins;Determination of melting point(cooling curve)
Issued on: 1981-03-25   Implemented on: 1981-7-1 Price(USD): 30.0 Delivery: via email in 1~3 business day

GB/T 2516-1981 Common screw thread deviation table
Issued on: 1981-03-14   Implemented on: 1983-1-1 Price(USD): 165.0 Delivery: via email in 1~3 business day

Totally 13 standards related
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