PERCUSSIVE HYDROPNEUMATIC DEVICE,申请号SU19874352856-传众专利搜索

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发明名称	PERCUSSIVE HYDROPNEUMATIC DEVICE
摘要
申请公布号	SU1507963(A1)	申请公布日期	1989.09.15
申请号	SU19874352856	申请日期	1987.10.06
申请人	KARAGANDINSKIJ POLT INSTITUT	发明人	EVSTESHIN MIKHAIL P,SU;KRAVCHENKO VALERIJ A,SU;NORDIN VIKTOR V,SU;PAULI DAVID D,SU;TIDA OLGA V,SU;USHAKOV LEONID S,SU
分类号	E21C37/24;B25D9/00	主分类号	E21C37/24
代理机构		代理人
主权项
地址

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