DEEP WELL PNEUMATIC HAMMER DRILL FOR WELLS,申请号SU19813314084-传众专利搜索

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发明名称	DEEP WELL PNEUMATIC HAMMER DRILL FOR WELLS
摘要
申请公布号	SU977760(A1)	申请公布日期	1982.11.30
申请号	SU19813314084	申请日期	1981.07.03
申请人	AVDONIN YURIJ F,SU;MINEROV GENNADIJ M,SU;ZARUBIN MIKHAIL S,SU;MOTOVILOV YURIJ L,SU	发明人	AVDONIN YURIJ F,SU;MINEROV GENNADIJ M,SU;ZARUBIN MIKHAIL S,SU;MOTOVILOV YURIJ L,SU
分类号	E21B4/14;(IPC1-7):E21C3/24	主分类号	E21B4/14
代理机构		代理人
主权项
地址

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