SAUMURES DENSES CONTENANT DE L'HYDROXYETHYL-CELLULOSE, POUR EN DIMINUER LA PERTE DE FLUIDE ET PROCEDE POUR LEUR PREPARATION,申请号FR19830005046-传众专利搜索

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发明名称	SAUMURES DENSES CONTENANT DE L'HYDROXYETHYL-CELLULOSE, POUR EN DIMINUER LA PERTE DE FLUIDE ET PROCEDE POUR LEUR PREPARATION
摘要
申请公布号	FR2523994(B1)	申请公布日期	1985.07.19
申请号	FR19830005046	申请日期	1983.03.28
申请人	NL INDUSTRIES INC	发明人
分类号	C09K3/00;C08L1/00;C08L1/28;C08L7/00;C08L21/00;C09K8/02;C09K8/03;C09K8/035;E21B21/00;(IPC1-7):C09K7/02;E21B33/00;E21B41/00;E21B43/00	主分类号	C09K3/00
代理机构		代理人
主权项
地址

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