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发明名称
DRUCKKAMMERMESSEINRICHTUNG FUER MIKROFONE MIT HOHER KORRELATION ZUR FREIFELDMESSUNG
摘要
申请公布号
DD277575(A1)
申请公布日期
1990.04.04
申请号
DD19880322395
申请日期
1988.11.30
申请人
VEB FERNMELDEWERK NORDHAUSEN,DD
发明人
KAUFMANN,CLAUS-PETER,DD;GUNST,JOERG,DD
分类号
H04R3/04;(IPC1-7):H04R3/04
主分类号
H04R3/04
代理机构
代理人
主权项
地址
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