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发明名称
LIGHT QUANTITY ADJUSTING DEVICE FOR OPTICAL EQUIPMENT
摘要
申请公布号
JPH02298909(A)
申请公布日期
1990.12.11
申请号
JP19890119822
申请日期
1989.05.12
申请人
MITSUTOYO CORP
发明人
DOI HIROMASA;ARAI YOSHIHIRO;KOJIMA TAKAAKI;USUDA HIDEO
分类号
G02B21/06
主分类号
G02B21/06
代理机构
代理人
主权项
地址
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