EXTRACTABLE HYDROSTRIKING DEVICE WITH CORE RECEIVING TUBE,申请号BG19860076617-传众专利搜索

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发明名称	EXTRACTABLE HYDROSTRIKING DEVICE WITH CORE RECEIVING TUBE
摘要
申请公布号	BG42789(A1)	申请公布日期	1988.02.15
申请号	BG19860076617	申请日期	1986.10.03
申请人	NENKOV,NIKOLAJJ D.,BG;JJORDANOV,DIMO S.,BG;CONKOV,CONKO D.,BG;DUKOV,STOJAN L.,BG	发明人	NENKOV,NIKOLAJJ D.,BG;JJORDANOV,DIMO S.,BG;CONKOV,CONKO D.,BG;DUKOV,STOJAN L.,BG
分类号	E21B25/00;(IPC1-7):E21B25/00	主分类号	E21B25/00
代理机构		代理人
主权项
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