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经营范围
发明名称
Artificial mouth
摘要
申请公布号
GB2218299(A)
申请公布日期
1989.11.08
申请号
GB19870030346
申请日期
1987.12.31
申请人
* BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人
ROBIN CHRISTOPHER * CROSS
分类号
H04M1/24;H04R1/28
主分类号
H04M1/24
代理机构
代理人
主权项
地址
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