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发明名称
Hydraulic hoisting unit and control system therefor
摘要
申请公布号
US1989387(A)
申请公布日期
1935.01.29
申请号
US19340748224
申请日期
1934.10.13
申请人
VICKERS HARRY F
发明人
VICKERS HARRY F.
分类号
B66B9/04
主分类号
B66B9/04
代理机构
代理人
主权项
地址
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