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经营范围
发明名称
Mine Roof Support Unit.
摘要
申请公布号
GB1186179(A)
申请公布日期
1970.04.02
申请号
GB19660039699
申请日期
1966.09.06
申请人
A. G. WILD & CO. LIMITED
发明人
LEWIS ROBERT BOWER;IAN NORMAN TOMLINS
分类号
E21D17/082
主分类号
E21D17/082
代理机构
代理人
主权项
地址
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