GUIDING DEVICE FOR PROCESSES INVOLVING SUBSTANCES EXPANDING WHEN SOLIDIFIED DOWNHOLE,申请号SU19904839869-传众专利搜索

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发明名称	GUIDING DEVICE FOR PROCESSES INVOLVING SUBSTANCES EXPANDING WHEN SOLIDIFIED DOWNHOLE
摘要
申请公布号	SU1737113(A1)	申请公布日期	1992.05.30
申请号	SU19904839869	申请日期	1990.06.15
申请人	OTDEL I GORNOGO DELA SO AN SSSR	发明人	SHTELE VLADIMIR I,SU
分类号	E21C37/00	主分类号	E21C37/00
代理机构		代理人
主权项
地址

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