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发明名称
NEGATIVE MASK UNIT
摘要
申请公布号
JPH1184546(A)
申请公布日期
1999.03.26
申请号
JP19970246547
申请日期
1997.09.11
申请人
NORITSU KOKI CO LTD
发明人
OKU HIROSHI
分类号
G03B27/62;(IPC1-7):G03B27/62
主分类号
G03B27/62
代理机构
代理人
主权项
地址
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