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发明名称
Hydraulic thrust mechanism for power shovels
摘要
申请公布号
US1987613(A)
申请公布日期
1935.01.15
申请号
US19330661247
申请日期
1933.03.17
申请人
BUCYRUS-ERIC COMPANY
发明人
FERRIS WALTER
分类号
E02F9/20
主分类号
E02F9/20
代理机构
代理人
主权项
地址
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