COMBINATION DEVICE OF AIR HAMMER AND BORING AUGER,申请号JP19770001246-传众专利搜索

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发明名称	COMBINATION DEVICE OF AIR HAMMER AND BORING AUGER
摘要
申请公布号	JPS5286204(A)	申请公布日期	1977.07.18
申请号	JP19770001246	申请日期	1977.01.11
申请人	REED TOOL CO	发明人	UIRIAMU AI UOORUFUERUDO
分类号	E21B7/00;E21B4/16;E21B10/40;E21B10/44	主分类号	E21B7/00
代理机构		代理人
主权项
地址

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