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发明名称
Hydraulic control
摘要
申请公布号
US2385891(A)
申请公布日期
1945.10.02
申请号
US19400359665
申请日期
1940.10.04
申请人
SWANSON ALFRED J
发明人
SWANSON ALFRED J.
分类号
B64C25/50
主分类号
B64C25/50
代理机构
代理人
主权项
地址
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