Speed changing drive,申请号US19380247609-传众专利搜索

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发明名称	Speed changing drive
摘要
申请公布号	US2213327(A)	申请公布日期	1940.09.03
申请号	US19380247609	申请日期	1938.12.24
申请人	CARL ROEHRI	发明人	ROEHRI CARL
分类号	F16H9/12	主分类号	F16H9/12
代理机构		代理人
主权项
地址

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