ЛД 80 [1968]
![](https://old-lighting.ru/sites/default/files/styles/lamp_drawing/public/pictures/catimages/2019/01/27/011_6.jpg?itok=zskBB90C)
![](https://old-lighting.ru/sites/default/files/styles/lamp_drawing/public/pictures/catimages/2019/01/27/011_6.jpg?itok=zskBB90C)
Encyclopedia chapter: General purpose low-pressure mercury discharge fluorescent lamps
Power (W): ![](data:image/png;base64,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)
Luminous flux (lm): ![](data:image/png;base64,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)
Average life (h): ![](data:image/png;base64,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)
Diameter (mm): ![](data:image/png;base64,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)
Length (mm): ![](data:image/png;base64,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)
Bulb type: ![](data:image/png;base64,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)
Cap/base type: ![](data:image/png;base64,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)
See also: ЛД 80 [1974]
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