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发明名称
Air valve
摘要
申请公布号
US1777274(A)
申请公布日期
1930.09.30
申请号
US19270170053
申请日期
1927.02.21
申请人
AMERICAN RADIATOR COMPANY
发明人
EGGLESTON LEWIS W.
分类号
F24D19/08
主分类号
F24D19/08
代理机构
代理人
主权项
地址
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