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发明名称
Refractory diaphragm for use in surface-combustion apparatus
摘要
申请公布号
US1830826(A)
申请公布日期
1931.11.10
申请号
US19250050888
申请日期
1925.08.17
申请人
JOHN COX FREDERICK
发明人
COX FREDERICK JOHN
分类号
F23D14/16
主分类号
F23D14/16
代理机构
代理人
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地址
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