METHOD OF MAINTAINING PRESET PARAMETERS OF DRILLING MUD,申请号DE19792953614T-传众专利搜索

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发明名称	METHOD OF MAINTAINING PRESET PARAMETERS OF DRILLING MUD
摘要
申请公布号	DE2953614(A1)	申请公布日期	1981.04.23
申请号	DE19792953614T	申请日期	1979.09.28
申请人	SREDNEAZIATSKY NII PRIRODNOGO GAZA;ALEKHIN S;MAMADZHANOV U;BAKHIR V	发明人	ALEKHIN S;MAMADZHANOV U;BAKHIR V
分类号	E21B21/00;(IPC1-7):E21B21/00;G01N27/52	主分类号	E21B21/00
代理机构		代理人
主权项
地址

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