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发明名称
JOINING METHOD OF ROD
摘要
申请公布号
JPH09189187(A)
申请公布日期
1997.07.22
申请号
JP19960001315
申请日期
1996.01.09
申请人
CHEM GROUTING CO LTD;KAJIMA CORP
发明人
KIKUCHI TAKAAKI;WATANABE MICHIHIKO;MIYOSHI KATSUTOSHI
分类号
E21B19/02;E21B19/16;(IPC1-7):E21B19/16
主分类号
E21B19/02
代理机构
代理人
主权项
地址
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