| 发明名称 |
PRODUCER OF SOOT FORM GLASS ROD |
| 摘要 |
PURPOSE:The outside diameter of a soot form glass rod to be grown in an axial direction is maintained constant by fitting a wall body in contact with the outside circumference of the soot form glass rod to the outside circumference thereof. |
| 申请公布号 |
JPS5345537(A) |
申请公布日期 |
1978.04.24 |
| 申请号 |
JP19760120531 |
申请日期 |
1976.10.06 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE;SUMITOMO ELECTRIC INDUSTRIES |
发明人 |
IZAWA TATSUO;HOSHIKAWA MASAO;MASUDA HIROICHI;KUWABARA TOORU |
| 分类号 |
C03B37/018;C03B37/014;G02B6/00 |
主分类号 |
C03B37/018 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
