ЛД 30 [1974]
![](https://old-lighting.ru/sites/default/files/styles/lamp_drawing/public/pictures/catimages/2020/04/25/gost6825-74_stranica_03_4.jpg?itok=NrRV9A-Z)
![](https://old-lighting.ru/sites/default/files/styles/lamp_drawing/public/pictures/catimages/2020/04/25/gost6825-74_stranica_03_4.jpg?itok=NrRV9A-Z)
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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)
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