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发明名称
REGISTERING AND TRANSLATING CIRCUITS FOR USE IN TELECOMMUNICATION SYSTEMS
摘要
申请公布号
CA541469(A)
申请公布日期
1957.05.28
申请号
CAD541469
申请日期
申请人
AUTOMATIC TELEPHONE AND ELECTRIC COMPANY LIMITED
发明人
RONALD THREADGOLD
分类号
主分类号
代理机构
代理人
主权项
地址
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