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International Standard Category: Metrology and measurement. Physical phenomena

JJG 119-2005    Verification Regulation of Laboratory pH Meters
实验室pH(酸度)计检定规程;
Category No.:17 Valid Status:superseded
Issued Organization:AQSIQ Issued Date:2005-9-5
Implemented Date:2006-3-5 Abolished Date:
Superseded Standard.:JJG 119-2018 Verification Regulation of Laboratory pH Meters
Superseded Date:2019-6-25
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