| 发明名称 |
OPTICAL TRANSMISSION FIBER |
| 摘要 |
PURPOSE:To provide an optical transmission fiber, comprising a cladding material made of a foamed plastic which can be produced easily with a small loss. |
| 申请公布号 |
JPS52114338(A) |
申请公布日期 |
1977.09.26 |
| 申请号 |
JP19760031102 |
申请日期 |
1976.03.22 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
IKEDA MASAHIRO |
| 分类号 |
G02B6/00;G02B6/02 |
主分类号 |
G02B6/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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