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发明名称
Improvements in and relating to a method of manufacturing preformed electrical circuits and circuits produced thereby
摘要
申请公布号
GB661989(A)
申请公布日期
1951.11.28
申请号
GB19490009876
申请日期
1949.04.12
申请人
ROBERT KAPP
发明人
分类号
H05K3/20;H05K3/40
主分类号
H05K3/20
代理机构
代理人
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