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International Standard Category: Chemical reagents

GB/T 688-1992    Chemical reagent?Carbon tetrachloride
化学试剂 四氯化碳 ;
Category No.:71.040.30 Valid Status:superseded
Issued Organization:CSBTS Issued Date:1992-09-01
Implemented Date:1993-7-1 Abolished Date:2011-12-01
Superseded Standard.:GB/T 688-2011 Chemical reagent—Carbon tetrachloride
Superseded Date:2011-12-1
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