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发明名称
MANHOLE FRAME
摘要
申请公布号
GB2155086(B)
申请公布日期
1988.02.17
申请号
GB19850008953
申请日期
1984.11.12
申请人
LEBARON FOUNDRY CO
发明人
FRANCIS * LEBARON
分类号
E02D29/14;(IPC1-7):E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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