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发明名称
EINRICHTUNG ZUR AUTOMATISCHEN UEBERWACHUNG DER LAUTSTAERKE
摘要
申请公布号
DE7719647(U1)
申请公布日期
1977.11.10
申请号
DE19770019647U
申请日期
1977.06.23
申请人
UNGER, LADISLAUS, 7502 MALSCH
发明人
分类号
H03G3/20;(IPC1-7):H03G3/20
主分类号
H03G3/20
代理机构
代理人
主权项
地址
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