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发明名称
Fluid flow control means
摘要
申请公布号
US2370751(A)
申请公布日期
1945.03.06
申请号
US19430509525
申请日期
1943.11.08
申请人
PRAGER FRANK D
发明人
PRAGER FRANK D.
分类号
F16K3/20
主分类号
F16K3/20
代理机构
代理人
主权项
地址
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