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发明名称
Improvements in or relating to tumbling mills
摘要
申请公布号
GB317002(A)
申请公布日期
1930.09.18
申请号
GB19290021096
申请日期
1929.07.09
申请人
THE AMERICAN FOUNDRY EQUIPMENT COMPANY
发明人
分类号
B24B31/05
主分类号
B24B31/05
代理机构
代理人
主权项
地址
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