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经营范围
发明名称
Hot-water heater
摘要
申请公布号
US2499636(A)
申请公布日期
1950.03.07
申请号
US19460668744
申请日期
1946.05.02
申请人
FINLEY FRANK D
发明人
FINLEY FRANK D.
分类号
F24H1/20
主分类号
F24H1/20
代理机构
代理人
主权项
地址
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