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发明名称
Lagging for boiler furnaces
摘要
申请公布号
US1840050(A)
申请公布日期
1932.01.05
申请号
US19280269057
申请日期
1928.04.11
申请人
MUHLFELD JOHN E
发明人
MUHLFELD JOHN E.
分类号
F22B37/36
主分类号
F22B37/36
代理机构
代理人
主权项
地址
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