ROCK BOLT METHOD AND DRILLING DEVICE THEREFOR,申请号JP19960337021-传众专利搜索

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发明名称	ROCK BOLT METHOD AND DRILLING DEVICE THEREFOR
摘要
申请公布号	JPH10176500(A)	申请公布日期	1998.06.30
申请号	JP19960337021	申请日期	1996.12.17
申请人	OHBAYASHI CORP	发明人	TOSAKA TOMOHEI
分类号	E21D20/00;(IPC1-7):E21D20/00	主分类号	E21D20/00
代理机构		代理人
主权项
地址

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