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Standard Insuued on: 1981-06

GB/T 2684-1981    Foundry sands and sand mixtures for casting; Method of testing
铸造用原砂及混和料试验方法
Category No.:GB Valid Status:superseded
Issued Organization:Standardization Administration of China Issued Date:1981-06-19
Implemented Date:1982-1-1 Abolished Date:
Superseded Standard.:GB/T 2684-2009 Test methods for foundry sands and molding mixtures
Superseded Date:
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GB/T 2681-1981   GB/T 2592.9-1981   GB/T 2592.7-1981   GB/T 2590.1-1981   GB/T 2592.3-1981   GB/T 2592.2-1981   GB/T 2596-1981   GB/T 2592.6-1981   GB/T 2592.5-1981   GB/T 2592.1-1981   GB/T 223.2-1981   GB/T 2592.4-1981   GB/T 2590.10-1981   GB/T 2590.11-1981   GB/T 2592.8-1981   GB/T 304.9-1981   SJ 1821-1981   GB/T 2684-1981   SJ 1820-1981   SJ 1822-1981  

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