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发明名称
Water heater
摘要
申请公布号
US2493175(A)
申请公布日期
1950.01.03
申请号
US19460681463
申请日期
1946.07.05
申请人
WEINMAN ALFRED H
发明人
WEINMAN ALFRED H.
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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