DEVICE FOR CENTERING INCTRUMENTS IN WELL,申请号SU19782646499-传众专利搜索

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发明名称	DEVICE FOR CENTERING INCTRUMENTS IN WELL
摘要
申请公布号	SU802530(A1)	申请公布日期	1981.02.07
申请号	SU19782646499	申请日期	1978.07.17
申请人	KALININSKOE OTDEL VNI PK I GEOFIZICHESKIKH ISSLEDOVANIJ GEOLOGORAZVEDOCHNYKH SKVAZHIN	发明人	SHIRYAEV ANATOLIJ A,SU;BELOKON DMITRIJ V,SU;DEVYATOV ANATOLIJ F,SU
分类号	E21B17/10;E21B47/00;(IPC1-7):E21B47/00	主分类号	E21B17/10
代理机构		代理人
主权项
地址

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