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发明名称
Improved method of and means for lighting by alternating current
摘要
申请公布号
GB348086(A)
申请公布日期
1931.04.28
申请号
GB19290032750
申请日期
1929.10.28
申请人
FERNANDO ALDROVANDI
发明人
分类号
H02M1/22
主分类号
H02M1/22
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代理人
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