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发明名称
IMPROVMENTS IN AND RELATING TO COMMUNICATION HANDSETS
摘要
申请公布号
GB2190562(B)
申请公布日期
1989.12.06
申请号
GB19870009364
申请日期
1987.04.21
申请人
* RACAL ACOUSTICS LIMITED
发明人
BRIAN ARTHUR * LOWE;PETER LEIGHTON * SMITH
分类号
H04M1/03
主分类号
H04M1/03
代理机构
代理人
主权项
地址
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