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发明名称
Water heater
摘要
申请公布号
US1796523(A)
申请公布日期
1931.03.17
申请号
US19260108291
申请日期
1926.05.11
申请人
RUUD MANUFACTURING COMPANY
发明人
HORTON ERNEST J.
分类号
F24H1/43
主分类号
F24H1/43
代理机构
代理人
主权项
地址
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