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经营范围
发明名称
PIPE JACKING MACHINE
摘要
申请公布号
JPH10220178(A)
申请公布日期
1998.08.18
申请号
JP19970039822
申请日期
1997.02.06
申请人
KOMATSU LTD
发明人
AKIYAMA HIROSHI;KAWADA SHOJI
分类号
E21D9/06;E21D9/08;E21D9/12;(IPC1-7):E21D9/08
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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