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发明名称
Elektrische Übertragungseinrichtung aus halbleitendem Material
摘要
申请公布号
AT172889(B)
申请公布日期
1952.10.25
申请号
ATD172889
申请日期
1949.05.06
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
主分类号
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代理人
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