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经营范围
发明名称
METHOD OF STOPPING WATER AROUND SHIELD MACHINE BY SHIELD PROCESS
摘要
申请公布号
JPS5361130(A)
申请公布日期
1978.06.01
申请号
JP19760134668
申请日期
1976.11.11
申请人
SEIKEN CO
发明人
ISHIKAWA YOSHIO;TOBE NOBU
分类号
E02D19/14;E21D9/06
主分类号
E02D19/14
代理机构
代理人
主权项
地址
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