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发明名称
Furnace arch nose construction
摘要
申请公布号
US2303815(A)
申请公布日期
1942.12.01
申请号
US19390305290
申请日期
1939.11.20
申请人
GLADDING MCBEAN & COMPANY
发明人
BEECHER HENRY W.
分类号
F27D1/02
主分类号
F27D1/02
代理机构
代理人
主权项
地址
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