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发明名称
UNDERGROUND BORING MACHINE AND CUSHION JOINT USED FOR THE MACHINE
摘要
申请公布号
JPH08184280(A)
申请公布日期
1996.07.16
申请号
JP19940326889
申请日期
1994.12.28
申请人
KENCHO KOBE:KK
发明人
SHIMADA CHIKASHI
分类号
E21B4/00;(IPC1-7):E21B4/00
主分类号
E21B4/00
代理机构
代理人
主权项
地址
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