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International Standard Category: Photographic chemicals

GB/T 22408-2008    Photography - Processing chemicals - Specifications for anhydrous sodium sulfite
摄影 加工用化学品 无水亚硫酸钠;
Category No.:37.040.30 Valid Status:valid
Issued Organization:AQSIQ,SAC Issued Date:2008-10-10
Implemented Date:2009-6-1 Abolished Date:
Superseded Standard.: Superseded Date:
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