Power transmission unit,申请号US19370179517-传众专利搜索

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发明名称	Power transmission unit
摘要
申请公布号	US2164670(A)	申请公布日期	1939.07.04
申请号	US19370179517	申请日期	1937.12.13
申请人	WARNER BROS. PICTURES, INC.	发明人	THOMAS WILLIAM
分类号	G03B19/18	主分类号	G03B19/18
代理机构		代理人
主权项
地址

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