Reel for motion picture machines,申请号US19310535976-传众专利搜索

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发明名称	Reel for motion picture machines
摘要
申请公布号	US1924977(A)	申请公布日期	1933.08.29
申请号	US19310535976	申请日期	1931.05.08
申请人	FRANK BUHLER	发明人	BUHLER PHILIP
分类号	G03B21/32	主分类号	G03B21/32
代理机构		代理人
主权项
地址

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