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发明名称
ENCEINTE DE HAUT-PARLEUR
摘要
申请公布号
BE771389(A1)
申请公布日期
1971.12.31
申请号
BE19710771389
申请日期
1971.08.17
申请人
NECKERMANN VERSAND KGAA, HANAUER LANDSTRASSE 360-400, 6 FRANKFURT/MAIN (ALLEMAGNE),
发明人
分类号
H04R1/28;(IPC1-7):H04R/
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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