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经营范围
发明名称
MULTIPLE DRILL DEVICE
摘要
申请公布号
JPH05149072(A)
申请公布日期
1993.06.15
申请号
JP19920136279
申请日期
1992.04.28
申请人
ING GIYUNTERU KUREMU SUPETSUIARUUNTERUNEEMEN FUR BOORUTEKUNIKU
发明人
GINTAA UIRII KUREMU
分类号
E21B4/06;E21B7/20;E21B10/36;E21B10/40
主分类号
E21B4/06
代理机构
代理人
主权项
地址
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