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发明名称
Dragline construction and associated excavation equipment
摘要
申请公布号
US2851176(A)
申请公布日期
1958.09.09
申请号
US19560594523
申请日期
1956.06.28
申请人
STEWART FELIX I
发明人
STEWART FELIX I.
分类号
E02F3/48;E02F3/50
主分类号
E02F3/48
代理机构
代理人
主权项
地址
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