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发明名称
POLYPHONIC CODING
摘要
申请公布号
AU640667(B2)
申请公布日期
1993.09.02
申请号
AU19900058379
申请日期
1990.06.15
申请人
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人
CHRISTOPHER ELLIS HOLT;EDWARD MUNDAY;BARRY MICHAEL GEORGE CHEETHAM
分类号
H04H20/88;H04M3/56;H04S;H04S1/00
主分类号
H04H20/88
代理机构
代理人
主权项
地址
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