Picture viewer mechanism,申请号US19490092264-传众专利搜索

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发明名称	Picture viewer mechanism
摘要
申请公布号	US2583442(A)	申请公布日期	1952.01.22
申请号	US19490092264	申请日期	1949.05.10
申请人	EMPIRE STATE LABORATORIES	发明人	PARLINI ALEXANDER C.;HASCHER EUGENE;RECKER HEINZ
分类号	G03B23/04	主分类号	G03B23/04
代理机构		代理人
主权项
地址

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