Boek
| Titel | Group specification for quartz crystal units for oscillators : second draft / International Electrotechnical Commission , Technical committee No. 12: Radio-communication Sub-committee 12A: Crystals |
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| Objectnaam | rapport |
| Objectnummer | 00075270 |
Vervaardiging
| Datering | 1954 |
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Onderwerp
| Trefwoorden | elektrotechniek, 1951-2000 |
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