PRESS FOCUSING DEVICES FOR PHOTOGRAPHIC SHUTTERS AND DIAPHRAGMS,申请号CAD478724-传众专利搜索

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发明名称	PRESS FOCUSING DEVICES FOR PHOTOGRAPHIC SHUTTERS AND DIAPHRAGMS
摘要
申请公布号	CA478724(A)	申请公布日期	1951.11.20
申请号	CAD478724	申请日期
申请人	GENERAL ANILINE AND FILM CORPORATION	发明人	FREDERICK P. WILLCOX
分类号		主分类号
代理机构		代理人
主权项
地址

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