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发明名称
Electric tank heater
摘要
申请公布号
US2368772(A)
申请公布日期
1945.02.06
申请号
US19430474533
申请日期
1943.02.03
申请人
MCGRAW ELECTRIC COMPANY
发明人
OSTERHELD CLARK M.
分类号
F24H9/18
主分类号
F24H9/18
代理机构
代理人
主权项
地址
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