Valvo
| Brand on Tube | Valvo |
|---|
| Real Tube Manufacturer | Philips |
|---|
|
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| Country | Holland |
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| Etched code on Tube | mC0 ⊿8J |
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| Factory Code | ⊿ - Philips, Heerlen |
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| Year | 1958 |
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| Tip Shape | Pinched Tip |
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| Glass Color | Clear Glass |
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| Mica | Double |
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| Getter | D-Getter |
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| Getter Support | One |
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| Plate Look | Ribbed / Scale |
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| Plate Size | 17mm |
|---|
| Plate Color | Matte Gray |
|---|
| Pin Color | Silver |
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