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发明名称
ELECTRICAL HEATING ELEMENTS
摘要
申请公布号
US3627988(A)
申请公布日期
1971.12.14
申请号
USD3627988
申请日期
1970.02.16
申请人
ELECTROTEX DEVELOPMENTS LTD.
发明人
CHARLES ROMANIEC
分类号
H05B3/20;F24D13/02;H05B3/14;H05B3/34;(IPC1-7):H05B3/36
主分类号
H05B3/20
代理机构
代理人
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地址
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