Subclass | Subgroup | Patent |
H01J | 37/1478 | 12170182 |
37/222 | 12170183 | |
37/26 | 12170184 | |
37/32394 | 12170185 | |
37/3244 | 12170186 | |
37/32449 | 12170187 | |
37/32477 | 12170188 | |
37/32715 | 12170189 | |
37/32724 | 12170190 | |
12170191 | ||
37/32844 | 12170192 | |
37/3299 | 12170193 | |
37/3405 | 12170194 |