Movable vacuum back for photographic apparatus,申请号US19640358168-传众专利搜索

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发明名称	Movable vacuum back for photographic apparatus
摘要
申请公布号	US3276312(A)	申请公布日期	1966.10.04
申请号	US19640358168	申请日期	1964.04.08
申请人	ROBERTSON PHOTO-MECHANIX, INC.	发明人	JR. LEONARD S. FLORSHEIM,;JR. CHARLES P. SIPPEL,
分类号	G03B1/48;G03B27/32;G03B27/62	主分类号	G03B1/48
代理机构		代理人
主权项
地址

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