LIGNOSULPHONIC ACID DERIVATIVES A PROCESS FOR THEIR PREPARATION AND THEIR USE AS ADDITIVES IN DRILLING SLURRIES,申请号GB19810005752-传众专利搜索

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发明名称	LIGNOSULPHONIC ACID DERIVATIVES A PROCESS FOR THEIR PREPARATION AND THEIR USE AS ADDITIVES IN DRILLING SLURRIES
摘要
申请公布号	GB2070014(A)	申请公布日期	1981.09.03
申请号	GB19810005752	申请日期	1981.02.24
申请人	AVEBENE	发明人
分类号	C09K8/20;(IPC1-7):C07G1/00	主分类号	C09K8/20
代理机构		代理人
主权项
地址

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