Perfectionnements aux dérailleurs de chaîne pour changement de vitesse sur cycles,申请号FRD807506-传众专利搜索

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发明名称	Perfectionnements aux dérailleurs de chaîne pour changement de vitesse sur cycles
摘要
申请公布号	FR807506(A)	申请公布日期	1937.01.14
申请号	FRD807506	申请日期	1935.10.01
申请人		发明人	FORTON ONOFRE
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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