| |||
| lead crystal; leaded glass | |||
| lead silicate | |||
| protective lead glass | |||
| lead-content glass | |||
| lead glass | |||
| |||
| lead glass | |||
|
Bleiglas : 2 phrases in 2 subjects |
| Electronics | 1 |
| Environment | 1 |
| |||
| lead crystal; leaded glass | |||
| lead silicate | |||
| protective lead glass | |||
| lead-content glass | |||
| lead glass | |||
| |||
| lead glass | |||
|
Bleiglas : 2 phrases in 2 subjects |
| Electronics | 1 |
| Environment | 1 |