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发明名称
Headset noise exposure dosimeter
摘要
申请公布号
GB2399639(A)
申请公布日期
2004.09.22
申请号
GB20040016770
申请日期
2003.01.31
申请人
* PLANTRONICS, INC
发明人
ROBERT J * BERNARDI;PAUL A * EWER
分类号
G01H3/14;(IPC1-7):G01H3/14
主分类号
G01H3/14
代理机构
代理人
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地址
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