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发明名称
MANUAL ADJUSTABLE CONTROL FOR AIR VALVE DAMPERS
摘要
申请公布号
US3495521(A)
申请公布日期
1970.02.17
申请号
USD3495521
申请日期
1968.05.08
申请人
RICHARD N. FOSTER
发明人
RICHARD N. FOSTER
分类号
F24F13/14;(IPC1-7):F24F13/14;F16K37/00
主分类号
F24F13/14
代理机构
代理人
主权项
地址
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