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经营范围
发明名称
Improvements in or relating to processes for the monitoring of data channels
摘要
申请公布号
GB1132305(A)
申请公布日期
1968.10.30
申请号
GB19670021310
申请日期
1967.05.08
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
分类号
H04L1/20;H04L12/26
主分类号
H04L1/20
代理机构
代理人
主权项
地址
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