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经营范围
发明名称
Improvements in or relating to Mine Roof Support Systems.
摘要
申请公布号
GB1182252(A)
申请公布日期
1970.02.25
申请号
GB19660012474
申请日期
1966.03.22
申请人
GULLICK LIMITED
发明人
ARCHELAIUS DAWSON ALLEN
分类号
E21D23/26
主分类号
E21D23/26
代理机构
代理人
主权项
地址
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