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发明名称
Draft control damper
摘要
申请公布号
US2460960(A)
申请公布日期
1949.02.08
申请号
US19450592509
申请日期
1945.05.07
申请人
HOLLAND FURNACE COMPANY
发明人
WILSON ROBERT
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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