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发明名称
Communication system
摘要
申请公布号
GB725915(A)
申请公布日期
1955.03.09
申请号
GB19530026104
申请日期
1953.09.22
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H04B1/64;H04B1/66
主分类号
H04B1/64
代理机构
代理人
主权项
地址
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