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经营范围
发明名称
Supervisory arrangement for pulse trains
摘要
申请公布号
GB1106691(A)
申请公布日期
1968.03.20
申请号
GB19650011731
申请日期
1965.03.19
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H04M15/04
主分类号
H04M15/04
代理机构
代理人
主权项
地址
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