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发明名称
Communication apparatus
摘要
申请公布号
GB2330286(B)
申请公布日期
2002.03.13
申请号
GB19980014052
申请日期
1998.06.29
申请人
* WORLDPIPE LIMITED
发明人
DAVID WILLIAM * BARTLETT;ROGER JOSEPH * SINCLAIR
分类号
H04H20/33;H04H60/91;H04N5/38;H04N7/20;(IPC1-7):H04H1/00;H04N5/44
主分类号
H04H20/33
代理机构
代理人
主权项
地址
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