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发明名称
OPTICAL FIBER TYPE COUPLER AND ITS MANUFACTURE
摘要
申请公布号
JPH0372303(A)
申请公布日期
1991.03.27
申请号
JP19890208747
申请日期
1989.08.12
申请人
SUMITOMO ELECTRIC IND LTD
发明人
SHIGEMATSU MASAYUKI
分类号
G02B6/00;G02B6/28
主分类号
G02B6/00
代理机构
代理人
主权项
地址
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