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发明名称
INLET CONTROL
摘要
As auxiliary in a ventilating system, a control unit mountable against an air inlet contains a sloping face and means to adjust the face to control a throat for air flow at given pressure differentials of inside and outside air.
申请公布号
US3706271(A)
申请公布日期
1972.12.19
申请号
USD3706271
申请日期
1971.02.12
申请人
ROBERT W. MIECZKOWSKI
发明人
ROBERT W. MIECZKOWSKI
分类号
A01K1/00;A01K31/00;F24F7/00;F24F13/14;(IPC1-7):F24F7/00
主分类号
A01K1/00
代理机构
代理人
主权项
地址
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