ЛБ 4 [1974]
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Category:
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Encyclopedia chapter: General purpose low-pressure mercury discharge fluorescent lamps
Power (W): ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAOCAYAAAAWo42rAAAAxklEQVQokaXRIUpEURiG4ecexKAMCGdAEIPBMsU8CEYtcqq4ARcwC3AXTtYNWDzV6gYGsRgEiwaPmAyGcy0XEYcZLvjl9//fD76mbVt9EnpR/wJDyXuh5MdQ8nghGEoe4hq7OFr28RIr+FyoDiWfYoxj3ON1Dgwlb2OKsxrTA57/2prm7WYVT9jCBV4wwQyTGtNM12cNG93hCb4wxH5nOYBQY/qoMa1jUGPaxAjvuML5j/r3hKHkHdx1NeC2xnQ4By5L7wm/AV7SNJy6xSF4AAAAAElFTkSuQmCC)
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,iVBORw0KGgoAAAANSUhEUgAAACYAAAAOCAYAAABDwm71AAAB90lEQVRIie3VT6hOQRgG8N+dZHmTUVL+FcniLpRkQRKRZKwshLrFQkhWkoUUyY50Q2Fjg/zPKbIgiVIs2EhskIV0jyTdJM21OIfmfj6Lb8XCU9M5M+97nvd533lnTt/o6Kh/EeFvC/gT/llh4yDU1TGsxyRjxe7IMZ34OQl1NQEHsQ4fMJRjOtNr0FBXa3AI0/Ee97Azx/T9lw/kmHblmCZjGz5hDxbgagfnldY+DU8wFOpqao+i5uEsdmIKBjWJri39+srmbzPZjRU5pm8dhKtxHsvxuk3qa47pc4/C7uBljmlbsXYYK3NM83+tdXw3He+wrAvnRvTjMd7gGTb0KGp2y30s1NW4wnQN88q1TmGz8B1vu/DORcZ+TfmvtwHWdvH9E/rb59uyn/ARX37rsQKvMJxjet6FdASnckwHckyX2604oqnkGIS6WhXq6naoq8UdphdtcjnUVVntAYyJ2SksaCrWDc81J7FEjeEOUZtxCytxvLTlmEZaniU5pnOFaRHulr7lPsMETA11NR79OaYy6CWcDnX1EI+wHVvaUWJG8T7SJcG9OBzq6n47X6o5lQtLp76+4RtBcw1MasccfNVUbzDHdPGnc6irpTiJmZpKbc0x3SwJQ10NtHwTNXfThU5loa6OYpOmMA+wL8f0dIyw///KHvEDag2lnAQOh8UAAAAASUVORK5CYII=)
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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