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发明名称
Improvements in or relating to signal converters
摘要
申请公布号
GB1125597(A)
申请公布日期
1968.08.28
申请号
GB19650053620
申请日期
1965.12.17
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
CRAGG WILLIAM DONALD;BRAMER TERRENCE PATRICK CONWAY
分类号
H03K3/282;H03K7/08;H04R19/04
主分类号
H03K3/282
代理机构
代理人
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地址
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