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发明名称
Electro-optical device for measuring thicknesses of coatings on materials
摘要
申请公布号
US2773412(A)
申请公布日期
1956.12.11
申请号
US19530349151
申请日期
1953.04.16
申请人
HUCK COMPANY
发明人
HUCK WILLIAM F.
分类号
G01B11/06;G01N21/47
主分类号
G01B11/06
代理机构
代理人
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地址
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