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发明名称
AUDIMETERS
摘要
申请公布号
GB2033641(B)
申请公布日期
1982.12.08
申请号
GB19790034690
申请日期
1979.10.05
申请人
PHILIPS NV
发明人
分类号
H04R25/04;A61B5/12;H04R25/00;(IPC1-7):A61B5/12
主分类号
H04R25/04
代理机构
代理人
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