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经营范围
发明名称
JOINT CONSTRUCTION OF SEGMENT FOR SHIELD METHOD
摘要
申请公布号
JPS5712798(A)
申请公布日期
1982.01.22
申请号
JP19800087110
申请日期
1980.06.25
申请人
NITTO ELECTRIC IND CO
发明人
YAMAMURO OKIMASA;OOHASHI NOZOMI;SHINNO SHINJI;HIRAGOURI MASATOSHI
分类号
E21D11/38
主分类号
E21D11/38
代理机构
代理人
主权项
地址
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