Device for inspecting continuous picture films,申请号US19270229238-传众专利搜索

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发明名称	Device for inspecting continuous picture films
摘要
申请公布号	US1745718(A)	申请公布日期	1930.02.04
申请号	US19270229238	申请日期	1927.10.27
申请人	SARGENT ALLAN C	发明人	SARGENT ALLAN C.
分类号	G03B21/32	主分类号	G03B21/32
代理机构		代理人
主权项
地址

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