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发明名称
Apparatus for controlling fluid pressure
摘要
申请公布号
US2219441(A)
申请公布日期
1940.10.29
申请号
US19370173093
申请日期
1937.11.06
申请人
OXWELD ACETYLENE COMPANY
发明人
CARNES HERMAN W.
分类号
G05D7/06;G05D16/06;G05D16/20
主分类号
G05D7/06
代理机构
代理人
主权项
地址
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