ROCK TRAP FOR GAS WELLS,申请号SU19792833528-传众专利搜索

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发明名称	ROCK TRAP FOR GAS WELLS
摘要
申请公布号	SU903562(A1)	申请公布日期	1982.02.07
申请号	SU19792833528	申请日期	1979.10.22
申请人	TSAJGER MARK A,SU	发明人	TSAJGER MARK A,SU
分类号	(IPC1-7):E21B39/00	主分类号	(IPC1-7):E21B39/00
代理机构		代理人
主权项
地址

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