PORTABLE PNEUMATIC ROCK DRILL,申请号SU19782694396-传众专利搜索

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发明名称	PORTABLE PNEUMATIC ROCK DRILL
摘要
申请公布号	SU767350(A1)	申请公布日期	1980.09.30
申请号	SU19782694396	申请日期	1978.12.07
申请人	INST GORNOGO DELA SO AN SSSR	发明人	KLUSHIN NIKOLAJ A,SU;ABRAMENKOV EDUARD A,SU;YUREV LEONID A,SU
分类号	E21B6/04;B25D9/00;E21C37/22;(IPC1-7):E21C37/22;E21C3/24	主分类号	E21B6/04
代理机构		代理人
主权项
地址

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