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经营范围
发明名称
Steam generator
摘要
申请公布号
US2167545(A)
申请公布日期
1939.07.25
申请号
US19350053880
申请日期
1935.12.11
申请人
SPRINGFIELD BOILER COMPANY
发明人
DURAM ARTHUR E.
分类号
F22B21/34
主分类号
F22B21/34
代理机构
代理人
主权项
地址
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