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发明名称
Electrical heating
摘要
申请公布号
US1988845(A)
申请公布日期
1935.01.22
申请号
US19300424915
申请日期
1930.01.31
申请人
NATIONAL ANILINE AND CHEMICAL COMPANY, INC.
发明人
JEWETT JOSEPH E.
分类号
H05B1/02
主分类号
H05B1/02
代理机构
代理人
主权项
地址
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