Improvements in or relating to variable-speed gearing,申请号GB19360001610-传众专利搜索

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发明名称	Improvements in or relating to variable-speed gearing
摘要
申请公布号	GB468969(A)	申请公布日期	1937.07.16
申请号	GB19360001610	申请日期	1936.01.17
申请人	SAMUEL JOHN FROST	发明人
分类号	B62M9/12	主分类号	B62M9/12
代理机构		代理人
主权项
地址

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