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经营范围
发明名称
Improvements in or relating to heating materials by high frequency electric currents
摘要
申请公布号
GB567731(A)
申请公布日期
1945.02.28
申请号
GB19430012115
申请日期
1943.07.26
申请人
STANDARD TELEPHONES AND CABLES LIMITED;PRAFULLA KUMAR CHATTERJEA
发明人
分类号
H05B6/60
主分类号
H05B6/60
代理机构
代理人
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地址
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