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发明名称
Barometric draft control
摘要
申请公布号
US2539815(A)
申请公布日期
1951.01.30
申请号
US19470742533
申请日期
1947.04.19
申请人
SEARS, ROEBUCK AND CO.
发明人
DADY ARTHUR O.
分类号
F23L13/02
主分类号
F23L13/02
代理机构
代理人
主权项
地址
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