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发明名称
TUBING DEVICE
摘要
申请公布号
JPH09158653(A)
申请公布日期
1997.06.17
申请号
JP19950324851
申请日期
1995.12.13
申请人
NIPPON SHARYO SEIZO KAISHA LTD
发明人
YANAGIHARA KAZUO;DOI KAZUNORI
分类号
E21B7/20;(IPC1-7):E21B7/20
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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