Improvements in or relating to change speed mechanisms,申请号GB19540009520-传众专利搜索

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发明名称	Improvements in or relating to change speed mechanisms
摘要
申请公布号	GB771315(A)	申请公布日期	1957.03.27
申请号	GB19540009520	申请日期	1954.04.01
申请人	ELECTRIC & MUSICAL INDUSTRIES LIMITED	发明人	BARNES HAROLD ERNEST
分类号	F16H15/46	主分类号	F16H15/46
代理机构		代理人
主权项
地址

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