PNEUMATIC REVERSIBLE PERCUSSION DEVICE,申请号GB19860003477-传众专利搜索

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发明名称	PNEUMATIC REVERSIBLE PERCUSSION DEVICE
摘要
申请公布号	GB8603477(D0)	申请公布日期	1986.03.19
申请号	GB19860003477	申请日期	1985.06.20
申请人	INST GOR DELA SIBIR OTDEL AKAD NAUK SSSR	发明人
分类号	E21B7/26;E02F5/18;E21B4/14;(IPC1-7):A47B27/00	主分类号	E21B7/26
代理机构		代理人
主权项
地址

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