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发明名称
ELECTRIC HEATER UNIT
摘要
申请公布号
CA368269(A)
申请公布日期
1937.08.24
申请号
CAD368269
申请日期
申请人
HAROLD ERNEST TRENT
发明人
CHARLES LLOYD WHITNEY
分类号
主分类号
代理机构
代理人
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