| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 20957.1-2007 | English | 1399 |
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Days<=8
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Test conditions for precision machining centre -- Part 1: Geometric tests for machines with horizontal spindle and with accessory heads (horizontal Z axis)
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GB/T 20957.1-2007
| Valid |
GB/T 20957.1-2007
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