| 发明名称 |
Luminous marking in an indentation of an object |
| 摘要 |
A luminous mark on an object is provided by a phosphor and a source of nuclear radiation in an indentation of the object, the materials being held in place by a transparent cover closing said indentation.
|
| 申请公布号 |
US4020203(A) |
申请公布日期 |
1977.04.26 |
| 申请号 |
US19750562516 |
申请日期 |
1975.03.27 |
| 申请人 |
THULER, OSCAR |
发明人 |
THULER, OSCAR |
| 分类号 |
F41G1/32;G09F13/42;(IPC1-7):B32B3/08;B32B3/10;C09K11/00;H05B33/00 |
主分类号 |
F41G1/32 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
