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发明名称
Servo selector valve
摘要
申请公布号
US2435546(A)
申请公布日期
1948.02.03
申请号
US19430499073
申请日期
1943.08.18
申请人
JEAN MERCIER
发明人
MERCIER JEAN
分类号
B66F3/24;F15B11/00
主分类号
B66F3/24
代理机构
代理人
主权项
地址
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