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发明名称
Boiler
摘要
申请公布号
US1811938(A)
申请公布日期
1931.06.30
申请号
US19280321865
申请日期
1928.11.26
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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