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发明名称
Electric liquid heater
摘要
申请公布号
US1854880(A)
申请公布日期
1932.04.19
申请号
US19300461542
申请日期
1930.06.16
申请人
GUSTAV ROBERT PAALEN
发明人
BERTHOLD HANS
分类号
F24H1/10
主分类号
F24H1/10
代理机构
代理人
主权项
地址
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