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发明名称
Improvements in or relating to bucket elevators and bucket dredges
摘要
申请公布号
GB618710(A)
申请公布日期
1949.02.25
申请号
GB19460033736
申请日期
1946.11.13
申请人
FRANK HERNAMAN COTHAY;LONDON TIN CORPORATION LIMITED
发明人
分类号
E02F3/14
主分类号
E02F3/14
代理机构
代理人
主权项
地址
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