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发明名称
Furnace damper control
摘要
申请公布号
US2089020(A)
申请公布日期
1937.08.03
申请号
US19350015163
申请日期
1935.04.08
申请人
FOLK GEORGE W
发明人
FOLK GEORGE W.
分类号
F23N3/00
主分类号
F23N3/00
代理机构
代理人
主权项
地址
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