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经营范围
发明名称
Improvements in or relating to electric impulse transformers
摘要
申请公布号
GB357049(A)
申请公布日期
1931.09.17
申请号
GB19310002337
申请日期
1931.01.23
申请人
STANDARD TELEPHONES AND CABLES, LIMITED
发明人
分类号
H01F38/06
主分类号
H01F38/06
代理机构
代理人
主权项
地址
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