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发明名称
EXCAVATOR FOR CURVED PIPE PROPULSION
摘要
申请公布号
JPS63167896(A)
申请公布日期
1988.07.11
申请号
JP19860309256
申请日期
1986.12.27
申请人
NKK CORP;KOKEN SHISUI KOGYO KK
发明人
ARAI MASATOSHI;KIMURA TAKAHIRO;ETO HAJIME;OKAMURA KUNIYASU
分类号
E21D9/06;E21D9/093
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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