SUBMERSIBLE AIR HAMMER,申请号SU19894697941-传众专利搜索

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发明名称	SUBMERSIBLE AIR HAMMER
摘要
申请公布号	SU1649090(A2)	申请公布日期	1991.05.15
申请号	SU19894697941	申请日期	1989.05.31
申请人	INST GORNOGO DELA SO AN SSSR;NOVOSIBIRSKIJ INZH-STR I IM.V.V.KUJBYSHEVA	发明人	ABRAMENKOV EDUARD A,SU;LIPIN ANATOLIJ A,SU;RUKAVISHNIKOV VLADIMIR I,SU;ABRAMENKOV DMITRIJ E,SU;ZIMA SERGEJ A,SU
分类号	E21B4/14	主分类号	E21B4/14
代理机构		代理人
主权项
地址

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