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发明名称
CONSTRUCTION OF HOLLOW CAVITY
摘要
申请公布号
JPS5996393(A)
申请公布日期
1984.06.02
申请号
JP19820203706
申请日期
1982.11.22
申请人
HAZAMAGUMI:KK
发明人
NAKAUCHI HIROSHI;SEICHI HIDETOSHI
分类号
E21D9/00
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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