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发明名称
Electric heating unit
摘要
申请公布号
US2422057(A)
申请公布日期
1947.06.10
申请号
US19450635330
申请日期
1945.12.15
申请人
WEINHARDT CARL J
发明人
WEINHARDT CARL J.
分类号
H05B3/68
主分类号
H05B3/68
代理机构
代理人
主权项
地址
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