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发明名称
CONNECTION FITTING FOR BACKFILL INJECTION HOSE OF SHIELDED EXCAVATOR
摘要
申请公布号
JPS57116898(A)
申请公布日期
1982.07.21
申请号
JP19800187733
申请日期
1980.12.30
申请人
HITACHI KENKI KK
发明人
SUDA MASAO;SHIMA TADAO;MORO TAKASHI
分类号
E21D11/00;E21D11/10
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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