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发明名称
HOERHILFE MIT RUECKKOPPLUNGSKOMPENSATION
摘要
申请公布号
DE4026420(A1)
申请公布日期
1991.02.28
申请号
DE19904026420
申请日期
1990.08.21
申请人
OTICON A/S, SNEKKERSTEN, DK
发明人
WEINRICH, S(DURCHMESSER)REN, ESPERGAERDE, DK
分类号
H04R25/00
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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