Continuously variable speed gears,申请号US19520297421-传众专利搜索

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发明名称	Continuously variable speed gears
摘要
申请公布号	US2716357(A)	申请公布日期	1955.08.30
申请号	US19520297421	申请日期	1952.07.07
申请人	BERNHARD RENNERFELT SVEN	发明人	RENNERFELT SVEN BERNHARD
分类号	F16H37/08	主分类号	F16H37/08
代理机构		代理人
主权项
地址

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