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Ultrasonic nondestructive based method for measuring wear resistant and coating thickness of elastic modulus, involves controlling relative position between water immersion focusing probe and sample. 专利
申请日期: 2016-01-01, 公开日期: 2016-10-12
作者:  LIN L MA Z ZHANG W LEI M
收藏  |  浏览/下载:12/0  |  提交时间:2019/12/09
Semiconductor devices 专利
专利号: GB1360073A, 申请日期: 1974-07-17, 公开日期: 1974-07-17
作者:  -
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/24


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