Film measuring and splicing machine,申请号US19310559250-传众专利搜索

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发明名称	Film measuring and splicing machine
摘要
申请公布号	US1994913(A)	申请公布日期	1935.03.19
申请号	US19310559250	申请日期	1931.08.25
申请人	THE BELL & HOWELL COMPANY	发明人	HOWELL ALBERT S.
分类号	G03B21/43	主分类号	G03B21/43
代理机构		代理人
主权项
地址

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