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发明名称
Fire-tube steam boiler
摘要
申请公布号
US1786317(A)
申请公布日期
1930.12.23
申请号
US19280261784
申请日期
1928.03.15
申请人
JAMES RUSSELL BOILER WORKS CO.
发明人
RUSSELL GORDON W.
分类号
F22B9/12
主分类号
F22B9/12
代理机构
代理人
主权项
地址
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