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发明名称
SOUND FIELD VARIABLE APPARATUS
摘要
申请公布号
US5233661(A)
申请公布日期
1993.08.03
申请号
US19910687695
申请日期
1991.04.19
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
KAWAMURA, AKIHISA;SERIKAWA, MITSUHIKO;MATSUMOTO, MASAHARU;NUMAZU, HIROKO;SATO, KATSUAKI
分类号
G01H3/00;G01H17/00;G10K11/178;G10K15/00;H04R3/02;H04R27/00;H04S1/00
主分类号
G01H3/00
代理机构
代理人
主权项
地址
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