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发明名称
Furnace port
摘要
申请公布号
US1873093(A)
申请公布日期
1932.08.23
申请号
US19310563936
申请日期
1931.09.21
申请人
SIMPLEX ENGINEERING COMPANY
发明人
WILSON JOHN N.
分类号
F27B3/00
主分类号
F27B3/00
代理机构
代理人
主权项
地址
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