PERFECTIONNEMENT AUX GRILLAGES ENTERRES POUR LE REPERAGE DE CANALISATIONS SOUTERRAINES,申请号FR19890002979-传众专利搜索

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发明名称	PERFECTIONNEMENT AUX GRILLAGES ENTERRES POUR LE REPERAGE DE CANALISATIONS SOUTERRAINES
摘要
申请公布号	FR2644248(B1)	申请公布日期	1991.10.31
申请号	FR19890002979	申请日期	1989.03.07
申请人	HUREAU JACQUES	发明人
分类号	B29C70/82;F16L1/11;(IPC1-7):G01V3/08;E02F5/14	主分类号	B29C70/82
代理机构		代理人
主权项
地址

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