Patin perfectionné à chaîne sans fin,申请号FRD39300-传众专利搜索

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发明名称	Patin perfectionné à chaîne sans fin
摘要
申请公布号	FR39300(E)	申请公布日期	1931.10.12
申请号	FRD39300	申请日期	1930.04.08
申请人		发明人	CHEVREAU LUCIEN
分类号	B64C25/38	主分类号	B64C25/38
代理机构		代理人
主权项
地址

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