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发明名称
Elektriskt motstånd
摘要
申请公布号
FI23907(A)
申请公布日期
1949.09.10
申请号
FID23907
申请日期
1946.03.12
申请人
N.V.PHILIPS' GLOEILAMPENFABRIEKE
发明人
VERWEY EVERT JOHANNES WILLEM
分类号
H01C7/04;(IPC1-7):H01C7/04
主分类号
H01C7/04
代理机构
代理人
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地址
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