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经营范围
发明名称
Tunnel lining
摘要
申请公布号
GB1148947(A)
申请公布日期
1969.04.16
申请号
GB19660046385
申请日期
1966.10.17
申请人
COMMERCIAL SHEARING & STAMPING COMPANY
发明人
分类号
E21D11/15
主分类号
E21D11/15
代理机构
代理人
主权项
地址
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