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发明名称
Electric circuits and methods of making same
摘要
申请公布号
GB784516(A)
申请公布日期
1957.10.09
申请号
GB19540019436
申请日期
1954.07.02
申请人
BECK'S INC.
发明人
BECK JOHN THEODORE
分类号
H05K3/10;H05K3/28;H05K3/34;H05K3/40
主分类号
H05K3/10
代理机构
代理人
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地址
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