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发明名称
Improvements relating to mechanical shovels or excavators
摘要
申请公布号
GB702161(A)
申请公布日期
1954.01.13
申请号
GB19510009766
申请日期
1951.04.26
申请人
FREDERICK WEATHERILL
发明人
分类号
E02F3/34
主分类号
E02F3/34
代理机构
代理人
主权项
地址
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