Perfectionnements apportés à la construction des routes en béton,申请号FRD824751-传众专利搜索

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发明名称	Perfectionnements apportés à la construction des routes en béton
摘要
申请公布号	FR824751(A)	申请公布日期	1938.02.16
申请号	FRD824751	申请日期	1937.07.23
申请人		发明人	HARTIGAN GEORGE FRANCIS XAVIER
分类号	E01C9/00	主分类号	E01C9/00
代理机构		代理人
主权项
地址

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