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发明名称
Improvements in regenerators of siemens-martin furnaces
摘要
申请公布号
GB341721(A)
申请公布日期
1931.01.22
申请号
GB19300002275
申请日期
1930.01.22
申请人
FERDINANDO FIORELLI
发明人
分类号
F28F21/04
主分类号
F28F21/04
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代理人
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