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Chengdu Aircraft INdustrial (Group) Co., Ltd
| Chengdu Aircraft INdustrial (Group) Co., Ltd Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100004777 | S-SHAPE DETECTION TEST PIECE AND A DETECTION METHOD FOR DETECTING THE PRECISION OF THE NUMERICAL CONTROL MILLING MACHINE - The present invention relates to an “S” shaped detection test piece for comprehensively detecting the precision of the numerical control milling machine and the detection method thereof. The detection test piece consists of an “S” shaped equal thickness edge strip ( | 01-07-2010 |