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发明名称
Flame block for furnaces
摘要
申请公布号
US2230960(A)
申请公布日期
1941.02.04
申请号
US19390273768
申请日期
1939.05.15
申请人
LEVY SYLVAN N
发明人
LEVY SYLVAN N.
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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