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经营范围
发明名称
OPTICAL SPACE ATTENUATOR
摘要
PROBLEM TO BE SOLVED: To provide an optical attenuator for an optical fiber which regulates the light power used in optical communication to an adequate value. SOLUTION: The inside of the cylinder of a sleeve 3 is provided with a spacer 2.
申请公布号
JP2001174641(A)
申请公布日期
2001.06.29
申请号
JP19990376691
申请日期
1999.12.17
申请人
HONMA SEIICHI
发明人
HONMA SEIICHI
分类号
G02B6/00;(IPC1-7):G02B6/00
主分类号
G02B6/00
代理机构
代理人
主权项
地址
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