Improvements in change speed gears for bicycles and the like vehicles,申请号GB19500015115-传众专利搜索

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发明名称	Improvements in change speed gears for bicycles and the like vehicles
摘要
申请公布号	GB674556(A)	申请公布日期	1952.06.25
申请号	GB19500015115	申请日期	1950.06.16
申请人	LUCIEN CHARLES HIPPOLYTE JUY	发明人
分类号	B62M9/124	主分类号	B62M9/124
代理机构		代理人
主权项
地址

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