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发明名称
LOW LEAKAGE MAGNETIC TYPE SPEAKER
摘要
申请公布号
JPH0262195(A)
申请公布日期
1990.03.02
申请号
JP19880213914
申请日期
1988.08.29
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
SUMIYAMA MASAHIDE
分类号
H04R9/00;H04R9/02
主分类号
H04R9/00
代理机构
代理人
主权项
地址
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