Procédé d'imperméabilisation des terrains,申请号FRD791626-传众专利搜索

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发明名称	Procédé d'imperméabilisation des terrains
摘要
申请公布号	FR791626(A)	申请公布日期	1935.12.14
申请号	FRD791626	申请日期	1935.06.22
申请人	LES TRAVAUX SOUTERRAINS	发明人
分类号	E21D1/16	主分类号	E21D1/16
代理机构		代理人
主权项
地址

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