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经营范围
发明名称
Hot water heating system
摘要
申请公布号
US1973842(A)
申请公布日期
1934.09.18
申请号
US19310520290
申请日期
1931.03.05
申请人
CHARLES BRODERICK FREDERICK
发明人
BRODERICK FREDERICK CHARLES
分类号
F24D19/10
主分类号
F24D19/10
代理机构
代理人
主权项
地址
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