Mount for photographic transparencies,申请号US19630325974-传众专利搜索

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发明名称	Mount for photographic transparencies
摘要
申请公布号	US3235990(A)	申请公布日期	1966.02.22
申请号	US19630325974	申请日期	1963.11.26
申请人	WALTER BACK	发明人	BACK WALTER
分类号	G03B21/64	主分类号	G03B21/64
代理机构		代理人
主权项
地址

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