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经营范围
发明名称
ELECTRON BEAM LITHOGRAPHY DEVICE
摘要
申请公布号
JPH04246815(A)
申请公布日期
1992.09.02
申请号
JP19910011916
申请日期
1991.02.01
申请人
HITACHI LTD
发明人
HAYATA YASUNARI;TODOKORO HIDEO;ITO HIROYUKI
分类号
H01L21/027
主分类号
H01L21/027
代理机构
代理人
主权项
地址
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