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发明名称
Improvements in or relating to electric pulse code modulation systems
摘要
申请公布号
GB669617(A)
申请公布日期
1952.04.02
申请号
GB19500007016
申请日期
1950.03.21
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
TREADWELL CYRIL GORDON
分类号
H03M1/00;H04J3/10
主分类号
H03M1/00
代理机构
代理人
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地址
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