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经营范围
发明名称
EXCAVATING APPARATUS
摘要
申请公布号
IE21123(L)
申请公布日期
1955.05.06
申请号
IE19540000400
申请日期
1954.07.30
申请人
THE UNITED ELECTRIC COAL COMPANIES
发明人
分类号
(IPC1-7):E02F/00
主分类号
(IPC1-7):E02F/00
代理机构
代理人
主权项
地址
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