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发明名称
Hoist control system for electric shovels
摘要
申请公布号
US1915737(A)
申请公布日期
1933.06.27
申请号
US19290353362
申请日期
1929.04.26
申请人
THE MARION STEAM SHOVEL COMPANY
发明人
JACOBS HENRY S.
分类号
B66C13/24
主分类号
B66C13/24
代理机构
代理人
主权项
地址
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