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经营范围
发明名称
PIEZOELECTRIC ACOUSTIC DEVICE
摘要
申请公布号
JPH0686393(A)
申请公布日期
1994.03.25
申请号
JP19920255896
申请日期
1992.08.31
申请人
TAIYO YUDEN CO LTD
发明人
ITO HIROSHI;ITO FUMIHISA;KANAI YASUHIRO
分类号
H04R17/00;(IPC1-7):H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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