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发明名称
Mechanical shovels
摘要
申请公布号
US3209930(A)
申请公布日期
1965.10.05
申请号
US19620242555
申请日期
1962.12.05
申请人
PIERRE DERRUPPE
发明人
DERRUPPE PIERRE
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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