Grilles en acier pour construction de routes,申请号FRD783576-传众专利搜索

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发明名称	Grilles en acier pour construction de routes
摘要
申请公布号	FR783576(A)	申请公布日期	1935.07.16
申请号	FRD783576	申请日期	1934.12.04
申请人		发明人	ROSCHER ERICH, OTTO
分类号	E01C9/10	主分类号	E01C9/10
代理机构		代理人
主权项
地址

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