Roue à chaîne avec manivelle pour bicyclettes, tri-porteurs et autres véhicules analogues,申请号FRD821921-传众专利搜索

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发明名称	Roue à chaîne avec manivelle pour bicyclettes, tri-porteurs et autres véhicules analogues
摘要
申请公布号	FR821921(A)	申请公布日期	1937.12.16
申请号	FRD821921	申请日期	1937.05.15
申请人		发明人	KEUNEN FRANCISCUS JOHANNES
分类号	B62M1/10;F16D3/62	主分类号	B62M1/10
代理机构		代理人
主权项
地址

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