Устройство для доставки пробки к месту ее установки при цементажных работах в скважине,申请号SU19580605884-传众专利搜索

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发明名称	Устройство для доставки пробки к месту ее установки при цементажных работах в скважине
摘要
申请公布号	SU117903(A1)	申请公布日期	1958.11.30
申请号	SU19580605884	申请日期	1958.08.12
申请人	APANOVICH YU.G.;VADETSKIJ YU.V.;GAJVORONSKIJ A.A.	发明人	APANOVICH YU.G.;VADETSKIJ YU.V.;GAJVORONSKIJ A.A.
分类号	E21B33/14	主分类号	E21B33/14
代理机构		代理人
主权项
地址

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