| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JB/T 7778.4-2008 | English | 169 |
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Test methods for chemical analysis of silver-tungsten carbide electric contact material. Part 4: Determintion of free carbon content
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JB/T 7778.4-2008
| Valid |
JB/T 7778.4-2008
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