Patent CN2854495Y - Vernier-like screw-thread micrometer ...

Patent CN2854495Y - Vernier-like screw-thread micrometer ...

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日期:2025-10-13
2007年1月3日 - The utility model is a screw micrometer, a similar-vernier screw ... end of the differential cylinder, the differential cylinder is in a .... 本实用新型所述的类游标螺旋测微器包括U形尺架1、测砧2、测微 ......看更多