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经营范围
发明名称
ELEKTRODYNAMISK LYDGIVER FOR HOEREAPPARAT.
摘要
申请公布号
NO169210(B)
申请公布日期
1992.02.10
申请号
NO19890002811
申请日期
1989.07.06
申请人
NHA AS
发明人
SVEAN, JARLE;KROKSTAD, ASBJOERN;SOGN, BJOERN
分类号
H04R1/22;H04R7/02;H04R9/02;H04R9/10;H04R25/02;(IPC1-7):H04R25/02
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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