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发明名称
ELECTROACOUSTIC CONVERTER
摘要
申请公布号
AU549182(B2)
申请公布日期
1986.01.16
申请号
AU19810078013
申请日期
1981.10.29
申请人
SONY CORPORATION
发明人
YOKOYAMA, Y., WATANABE, S., NAGENO, K.
分类号
H04R1/10;H04R9/10;(IPC1-7):H04R1/10
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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