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International Standard Category: Measuring instruments

GB/T 20919-2007    External micrometer with electronic digital display
电子数显外径千分尺;
Category No.:17.040.30 Valid Status:superseded
Issued Organization:AQSIQ,SAC Issued Date:2007-4-30
Implemented Date:2007-10-1 Abolished Date:
Superseded Standard.:GB/T 20919-2018 External micrometer with electronic digital display
Superseded Date:2018-12-1
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