Item:Q19419: Difference between revisions
Created claim: subclass of (P1): electrode (Q5973) |
Created claim: part of (P7): vacuum tube (Q19405) |
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| Property / part of | |||
| Property / part of: vacuum tube / rank | |||
Normal rank | |||
Created claim: subclass of (P1): electrode (Q5973) |
Created claim: part of (P7): vacuum tube (Q19405) |
||
| Property / part of | |||
| Property / part of: vacuum tube / rank | |||
Normal rank | |||