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发明名称
VORRICHTUNG ZUR VERHINDERUNG DER UNBEFUGTEN EINSCHALTUNG VON FERNSEHGERAETEN.
摘要
申请公布号
DE1685168(U)
申请公布日期
1954.10.14
申请号
DE195400G9908U
申请日期
1954.08.04
申请人
MAX GRUNDIG
发明人
MAX GRUNDIG
分类号
主分类号
代理机构
代理人
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