Perfectionnements aux pavés garnis de caoutchouc,申请号FRD50639D-传众专利搜索

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发明名称	Perfectionnements aux pavés garnis de caoutchouc
摘要
申请公布号	FR50639(E)	申请公布日期	1941.01.27
申请号	FRD50639D	申请日期	1939.06.08
申请人	CAOUTCHOUC RENO	发明人
分类号	E01C5/18	主分类号	E01C5/18
代理机构		代理人
主权项
地址

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