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经营范围
发明名称
Elektrisches Wellenfilter.
摘要
申请公布号
AT148551(B)
申请公布日期
1937.02.10
申请号
ATD148551
申请日期
1936.04.20
申请人
VEREINIGTE TELEPHON- UND TELEGRAPHENFABRIKS-AKTIEN-GESELLSCHAFT CZEIJA, NISSL & CO.
发明人
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主分类号
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