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经营范围
发明名称
Improvements in or relating to electrical impulse translating circuits
摘要
申请公布号
GB623572(A)
申请公布日期
1949.05.19
申请号
GB19460026331
申请日期
1946.09.02
申请人
STANDARD TELEPHONES AND CABLES LIMITED;FREDERICK HARRY BRAY;PETER MORRIS KING
发明人
分类号
H04Q1/446
主分类号
H04Q1/446
代理机构
代理人
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地址
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