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发明名称
REDUCTION STEPPER
摘要
申请公布号
JPH04104255(A)
申请公布日期
1992.04.06
申请号
JP19900221347
申请日期
1990.08.24
申请人
HITACHI LTD;HITACHI VLSI ENG CORP
发明人
MORITA MASAYUKI
分类号
G03F7/20;H01L21/027;H01L21/30
主分类号
G03F7/20
代理机构
代理人
主权项
地址
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