さく孔機用ロッド脱着装置,申请号JP20120012938-传众专利搜索

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发明名称	さく孔機用ロッド脱着装置
摘要
申请公布号	JP5921209(B2)	申请公布日期	2016.05.24
申请号	JP20120012938	申请日期	2012.01.25
申请人	古河ロックドリル株式会社	发明人	女屋徳意;大洞健治
分类号	E21B19/24	主分类号	E21B19/24
代理机构		代理人
主权项
地址

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