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发明名称
ELECTRO-ACOUSTIC SYSTEM
摘要
申请公布号
US5119428(A)
申请公布日期
1992.06.02
申请号
US19900489184
申请日期
1990.03.08
申请人
PRINSSEN EN BUS RAADGEVENDE INGENIEURS V.O.F.
发明人
PRINSSEN, WILLEM C. J. M.
分类号
E04H3/30;G10K15/00;G10K15/10;H04R1/40;H04R5/02;H04R5/027;H04R27/00;H04S5/02
主分类号
E04H3/30
代理机构
代理人
主权项
地址
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