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发明名称
Improvements in printing telegraphs
摘要
申请公布号
GB574349(A)
申请公布日期
1946.01.02
申请号
GB19410000686
申请日期
1941.01.17
申请人
GWILYM TUDOR EVANS;FRANCIS OLIVER MORRELL;WILLIAM EDWARD FINLASON
发明人
分类号
H04L21/00
主分类号
H04L21/00
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代理人
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