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发明名称
RETAINING WALL SUPPORT DEVICE
摘要
申请公布号
GB1493467(A)
申请公布日期
1977.11.30
申请号
GB19750004057
申请日期
1975.01.30
申请人
IRSAI E
发明人
分类号
E02D29/02;(IPC1-7):E02D29/02
主分类号
E02D29/02
代理机构
代理人
主权项
地址
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