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发明名称
CIRCUIT BOARD BLANKS
摘要
申请公布号
GB1473223(A)
申请公布日期
1977.05.11
申请号
GB19740039793
申请日期
1975.09.04
申请人
WELWYN ELECTRIC LTD
发明人
分类号
C23C18/16;H05K1/16;H05K3/18;H05K3/38;(IPC1-7):C23C3/02
主分类号
C23C18/16
代理机构
代理人
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