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经营范围
发明名称
Improvements in and relating to an anchoring device e.g. for mine roofs and walls
摘要
申请公布号
GB805797(A)
申请公布日期
1958.12.10
申请号
GB19560014219
申请日期
1956.05.08
申请人
SOCIETE DES FORGES ET BOULONNERIES HERMANT HICGUET ET D'ARS-SUR-MOSSELLE
发明人
分类号
E21D21/00;F16B13/06
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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