Improvements in or relating to change-speed gear,申请号GB19390005931-传众专利搜索

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发明名称	Improvements in or relating to change-speed gear
摘要
申请公布号	GB524855(A)	申请公布日期	1940.08.15
申请号	GB19390005931	申请日期	1939.02.22
申请人	GEORGE GRIST	发明人
分类号	F16H9/04;F16H9/24	主分类号	F16H9/04
代理机构		代理人
主权项
地址

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