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发明名称
Air flow control ler damper for air supply or exhausting systems
摘要
申请公布号
US3029722(A)
申请公布日期
1962.04.17
申请号
US19570695428
申请日期
1957.11.08
申请人
HARRY BARKER WILLIAM;RICHARD BARKER DEREK
发明人
BARKER WILLIAM HARRY;BARKER DEREK RICHARD
分类号
F24F13/10
主分类号
F24F13/10
代理机构
代理人
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