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发明名称
PIEZOELECTRIC LOUDSPEAKER
摘要
申请公布号
AU2003249560(A1)
申请公布日期
2004.02.25
申请号
AU20030249560
申请日期
2003.08.07
申请人
CROW ELECTRONIC ENGINEERING LTD.
发明人
SHMUEL MELMAN
分类号
H04R1/34;H04R17/00;H04R17/02
主分类号
H04R1/34
代理机构
代理人
主权项
地址
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