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经营范围
发明名称
WAVELENGTH SELECTIVE OPTICAL FIBER COUPLER
摘要
申请公布号
US5129020(A)
申请公布日期
1992.07.07
申请号
US19900578292
申请日期
1990.09.06
申请人
SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人
SHIGEMATSU, MASAYUKI;FUKUMA, MASUMI
分类号
G02B6/28;G02B6/34
主分类号
G02B6/28
代理机构
代理人
主权项
地址
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