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经营范围
发明名称
Improvements in or relating to cage keps for use in mines and the like
摘要
申请公布号
GB617581(A)
申请公布日期
1949.02.08
申请号
GB19460029954
申请日期
1946.10.08
申请人
EDWARD TAYLOR
发明人
分类号
B66B17/34
主分类号
B66B17/34
代理机构
代理人
主权项
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