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发明名称
OPTICAL DEVICE
摘要
申请公布号
JPH04315760(A)
申请公布日期
1992.11.06
申请号
JP19910108285
申请日期
1991.04.15
申请人
IWASAKI ELECTRIC CO LTD
发明人
KAWAI HIROSHI;SAKUGI KYOICHI
分类号
C23C16/30;G03B21/14;H01J61/35
主分类号
C23C16/30
代理机构
代理人
主权项
地址
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