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发明名称
ECHOKOMPENSATOR
摘要
申请公布号
DE3840433(A1)
申请公布日期
1990.06.07
申请号
DE19883840433
申请日期
1988.12.01
申请人
PHILIPS PATENTVERWALTUNG GMBH, 2000 HAMBURG, DE
发明人
BROX, WOLFGANG, 8501 KALCHREUTH, DE;VARY, PETER, DR.-ING., 8522 HERZOGENAURACH, DE
分类号
H03H17/00;H03H21/00;H04B3/23;H04M9/08
主分类号
H03H17/00
代理机构
代理人
主权项
地址
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