DEEP-WELL SEAL,申请号SU19874311163-传众专利搜索

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发明名称	DEEP-WELL SEAL
摘要
申请公布号	SU1506099(A1)	申请公布日期	1989.09.07
申请号	SU19874311163	申请日期	1987.09.29
申请人	VNII EKONOMIKI MINERALNOGO SYRYA GEOLOGORAZVEDOCHNYKH RABOT	发明人	PITERSKIJ VLADIMIR M,SU;GOJ VLADIMIR L,SU;PANIN NIKOLAJ M,SU;PUSTOVOJTENKO IVAN P,SU;PUSTOVOJTOV VIKTOR N,SU
分类号	E21B47/098	主分类号	E21B47/098
代理机构		代理人
主权项
地址

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