Boue de forage au scléroglucane.,申请号OA19910059991-传众专利搜索

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发明名称	Boue de forage au scléroglucane.
摘要
申请公布号	OA9492(A)	申请公布日期	1992.11.15
申请号	OA19910059991	申请日期	1991.04.19
申请人	SOCIETE NATIONALE ELF AQUITAINE	发明人	VAUSSARD ALAIN;LADRET ALAIN;DONCHE ALAIN
分类号	C09K8/08;C09K8/20;(IPC1-7):C09K7/02	主分类号	C09K8/08
代理机构		代理人
主权项
地址

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