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发明名称
IMPROVEMENTS IN OR RELATING TO FREQUENCY SHIFT TELEGRAPH SYSTEMS
摘要
申请公布号
GB1210816(A)
申请公布日期
1970.11.04
申请号
GB19670033136
申请日期
1967.07.19
申请人
THE MARCONI COMPANY LIMITED
发明人
BOLESLAW MARIAN SOSIN;ALEC JAMES PRIME
分类号
H04L27/12
主分类号
H04L27/12
代理机构
代理人
主权项
地址
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