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经营范围
发明名称
SEMICONDUCTOR DEVICE FABRICATION
摘要
申请公布号
GB8503653(D0)
申请公布日期
1985.03.13
申请号
GB19850003653
申请日期
1985.02.13
申请人
BRITISH TELECOMMUNICATIONS PLC
发明人
分类号
G03F7/075
主分类号
G03F7/075
代理机构
代理人
主权项
地址
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