Photographic printing frame,申请号US19500175754-传众专利搜索

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发明名称	Photographic printing frame
摘要
申请公布号	US2641979(A)	申请公布日期	1953.06.16
申请号	US19500175754	申请日期	1950.07.25
申请人	EASTMAN KODAK COMPANY	发明人	CHRISTIANSEN WILLIAM S.;JR. ARTHUR C. RISSBERGER,
分类号	G03B27/02	主分类号	G03B27/02
代理机构		代理人
主权项
地址

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