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发明名称
Selection systems for electric circuits or equipments
摘要
申请公布号
GB701523(A)
申请公布日期
1953.12.30
申请号
GB19500028190
申请日期
1950.11.17
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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