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发明名称
SEAL CONSTRUCTION BETWEEN SHIELD SEGMENTS
摘要
申请公布号
JPH05214893(A)
申请公布日期
1993.08.24
申请号
JP19920017013
申请日期
1992.01.31
申请人
MAEDA CORP
发明人
KAWARAI TOSHIO
分类号
E21D11/00
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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