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发明名称
EARTHMOVING EQUIPMENT
摘要
申请公布号
ZW13781(A1)
申请公布日期
1981.07.29
申请号
ZW19810000137
申请日期
1981.06.12
申请人
SCAW METALS LTD
发明人
BOWN H
分类号
E02F;(IPC1-7):E02F/
主分类号
E02F
代理机构
代理人
主权项
地址
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