National
| Brand on Tube | National |
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| Country | Russia |
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| Tip Shape | Pinched Tip |
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| Glass Color | Clear Glass |
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| Mica | Triple Mica |
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| Getter | O-Getter Plate |
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| Getter Support | Double |
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| Plate Look | Ribbed / Scale |
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| Plate Size | 10mm |
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| Plate Color | Matte Gray |
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| Pin Color | Silver Pins |
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