METHOD OF CONTROLLING THE QUALITY OF DRILLING MUD,申请号DE19803038746T-传众专利搜索

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发明名称	METHOD OF CONTROLLING THE QUALITY OF DRILLING MUD
摘要
申请公布号	DE3038746(A1)	申请公布日期	1981.04.23
申请号	DE19803038746T	申请日期	1980.01.28
申请人	SREDNEAZIATSKY NII PRIRODNOGO GAZA;BORN R;MAMADZHANOV U;BAKHIR V;ALEKHIN S	发明人	BORN R;MAMADZHANOV U;BAKHIR V;ALEKHIN S
分类号	E21B21/00;(IPC1-7):E21B21/00	主分类号	E21B21/00
代理机构		代理人
主权项
地址

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