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经营范围
发明名称
OPTICAL FIBER DEVICE
摘要
申请公布号
JPS559534(A)
申请公布日期
1980.01.23
申请号
JP19780082068
申请日期
1978.07.07
申请人
NIPPON TELEGRAPH & TELEPHONE
发明人
URISU TSUNEO;MIZUSHIMA YOSHIHIKO;SUGATA TAKAYUKI;NAWATA KIYOSHI
分类号
G02F1/03;G02B6/28;G02F1/05;G02F1/09;G02F1/13
主分类号
G02F1/03
代理机构
代理人
主权项
地址
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