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经营范围
发明名称
Improvements in or relating to means for circulating mine cars
摘要
申请公布号
GB767056(A)
申请公布日期
1957.01.30
申请号
GB19540025407
申请日期
1954.09.01
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
GOODMAN WILFRED
分类号
B66B17/20
主分类号
B66B17/20
代理机构
代理人
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