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发明名称
Refractory burner rings for furnace walls
摘要
申请公布号
US2791977(A)
申请公布日期
1957.05.14
申请号
US19500177473
申请日期
1950.08.03
申请人
BERNITZ FURNACE APPLIANCE COMPANY
发明人
NYGAARD OSCAR
分类号
F23M5/02
主分类号
F23M5/02
代理机构
代理人
主权项
地址
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