| 发明名称 |
LIGHT ATTENUATOR |
| 摘要 |
|
| 申请公布号 |
JPS52151036(A) |
申请公布日期 |
1977.12.15 |
| 申请号 |
JP19760067659 |
申请日期 |
1976.06.11 |
| 申请人 |
HITACHI LTD |
发明人 |
MIYAKE KIYOHIDE |
| 分类号 |
G02B5/30;G02F1/01 |
主分类号 |
G02B5/30 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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