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发明名称
Telephone communication headset
摘要
申请公布号
AU686130(B2)
申请公布日期
1998.02.05
申请号
AU19940058444
申请日期
1993.11.22
申请人
JOHAN ULLMAN
发明人
JOHAN ULLMAN
分类号
H04M1/05;H04R1/10;(IPC1-7):H04M1/05;H04R1/08
主分类号
H04M1/05
代理机构
代理人
主权项
地址
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