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发明名称
PERFECTIONNEMENT DES ENCEINTES ACOUSTIQUES
摘要
申请公布号
FR2623958(B1)
申请公布日期
1994.04.08
申请号
FR19870016937
申请日期
1987.12.01
申请人
PICCALUGA PIERRE;PERRICHON CLAUDE ANNIE
发明人
分类号
H04R1/02;H04R1/28;(IPC1-7):H04R1/20
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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