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经营范围
发明名称
Motor operated flue damper carrying a pressure operated auxiliary damper
摘要
申请公布号
US2546714(A)
申请公布日期
1951.03.27
申请号
US19460648244
申请日期
1946.02.18
申请人
WILLIAM J. ADAMS
发明人
BATAILLE GERALD S.
分类号
F23L11/02
主分类号
F23L11/02
代理机构
代理人
主权项
地址
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