| |||
tube socket | |||
valve retainer | |||
valveholder; tube socket | |||
lamp holder | |||
tube holder | |||
tube retainer; lamp jack |
ламподержатель : 8 phrases in 6 subjects |
Communications | 1 |
Electrical engineering | 1 |
Electronics | 1 |
Makarov | 1 |
Medical appliances | 1 |
Technology | 3 |