İngilizce | Almanca | |
---|---|---|
Patent | ||
Patent | rectifying tube | Gleichrichterröhre |
Patent | rectifying tube | Ionenventil |
İngilizce | Almanca | |
---|---|---|
Patent | ||
Patent | metal-vapour rectifying tube | Metalldampfgleichrichterröhre |
Patent | gas-filled rectifying tube | Gasentladungsschaltröhre |