| 发明名称 |
Viseur optique |
| 摘要 |
|
| 申请公布号 |
FR1008438(A) |
申请公布日期 |
1952.05.19 |
| 申请号 |
FRD1008438 |
申请日期 |
1950.01.17 |
| 申请人 |
|
发明人 |
DOYEN ROGER-LOUIS |
| 分类号 |
G03B13/02 |
主分类号 |
G03B13/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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