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International Standard Category: Electrical accessories

JB/T 2750-2006    High pure graphite
高纯石墨 ;
Category No.:29.12 Valid Status:superseded
Issued Organization:NDRC Issued Date:2006-12-31
Implemented Date:2008-4-1 Abolished Date:2021-1-1
Superseded Standard.:JB/T 2750-2020 High purity graphite
Superseded Date:2021-1-1
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