| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JB/T 7520.1-2017 | English | 139 |
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Methods for chemical analysis of copper base brazing filler metals - Part 1: Determination of copper content
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JB/T 7520.1-2017
| Valid |
JB/T 7520.1-2017
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