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发明名称
SHAFT PENETRATING DEVICE
摘要
申请公布号
JPH0626047(A)
申请公布日期
1994.02.01
申请号
JP19930058318
申请日期
1993.03.18
申请人
KOBE STEEL LTD
发明人
ASHIDA YOSHIKI;TSUJII TAKESHI;NAKAYAMA TADAO;KAWABE SHOGO
分类号
E02D3/12;E02D5/18;E02D17/13;E02F5/02;E21B19/00;E21B44/00;E21B44/02;(IPC1-7):E02D17/13
主分类号
E02D3/12
代理机构
代理人
主权项
地址
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