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经营范围
发明名称
SHAFT PIERCING DEVICE
摘要
申请公布号
JPH062478(A)
申请公布日期
1994.01.11
申请号
JP19920203809
申请日期
1992.07.30
申请人
KOBE STEEL LTD
发明人
MIYAOKA NOBORU;TSUJII TAKESHI
分类号
E02D17/13;E02F5/02;E21B7/02;E21B19/20;(IPC1-7):E21B19/20
主分类号
E02D17/13
代理机构
代理人
主权项
地址
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