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发明名称
Pilot differential pressure control
摘要
申请公布号
US1925957(A)
申请公布日期
1933.09.05
申请号
US19310558816
申请日期
1931.08.22
申请人
THE FISHER GOVERNOR COMPANY
发明人
ELFERS PAUL A.
分类号
G05D16/18
主分类号
G05D16/18
代理机构
代理人
主权项
地址
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