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发明名称
Gas-fired boiler
摘要
申请公布号
US1772046(A)
申请公布日期
1930.08.05
申请号
US19270226563
申请日期
1927.10.17
申请人
IRWIN GEORGE H
发明人
IRWIN GEORGE H.
分类号
F22B9/04
主分类号
F22B9/04
代理机构
代理人
主权项
地址
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