Process and apparatus for determining thicknesses of layers,申请号US19870137346-传众专利搜索

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发明名称	Process and apparatus for determining thicknesses of layers
摘要
申请公布号	US4908508(A)	申请公布日期	1990.03.13
申请号	US19870137346	申请日期	1987.12.23
申请人	AKZO N.V.	发明人	DUBBELDAM, GERRIT C.
分类号	G01B11/06;G01N21/21	主分类号	G01B11/06
代理机构		代理人
主权项
地址

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