METHOD OF SEPARATING WEIGHTING MATERIAL FROM DRILLING MUD,申请号DE19803047569T-传众专利搜索

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发明名称	METHOD OF SEPARATING WEIGHTING MATERIAL FROM DRILLING MUD
摘要
申请公布号	DE3047569(A1)	申请公布日期	1982.02.25
申请号	DE19803047569T	申请日期	1980.05.22
申请人	SREDNEAZIATSKY NII PRIRODNOGO GAZA;TIKHONOV Y;BAKHIR V;ALIMDZHANOV K;ALEKHIN S	发明人	TIKHONOV Y;BAKHIR V;ALIMDZHANOV K;ALEKHIN S
分类号	B01D43/00;B03C5/00;E21B21/06;(IPC1-7):E21B21/06	主分类号	B01D43/00
代理机构		代理人
主权项
地址

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