| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JB/T 10231.21-2006 | English | 229 |
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Tool inspection methods. Part 21: Rotary and rotary impact masonry drill bits with hardmetal tips
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JB/T 10231.21-2006
| Valid |
JB/T 10231.21-2006
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