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经营范围
发明名称
CIRCUIT BOARDS
摘要
申请公布号
GB1246784(A)
申请公布日期
1971.09.22
申请号
GB19700011753
申请日期
1970.03.11
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
DENIS GEORGE KELEMEN
分类号
H05K1/03;H05K1/09;H05K3/40;H05K3/46
主分类号
H05K1/03
代理机构
代理人
主权项
地址
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