Improvements in and relating to speed changing gear,申请号GB19290011982-传众专利搜索

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发明名称	Improvements in and relating to speed changing gear
摘要
申请公布号	GB331941(A)	申请公布日期	1930.07.17
申请号	GB19290011982	申请日期	1929.04.17
申请人	HAROLD ELDEAN FATLAND	发明人
分类号	F16H3/14	主分类号	F16H3/14
代理机构		代理人
主权项
地址

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