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经营范围
发明名称
OPTICAL ATTENUATOR
摘要
申请公布号
JPH04269705(A)
申请公布日期
1992.09.25
申请号
JP19910050147
申请日期
1991.02.25
申请人
ANRITSU CORP
发明人
SASAKI YOSHIHARU;KOMAZAWA HIROSHI
分类号
G02B26/02
主分类号
G02B26/02
代理机构
代理人
主权项
地址
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