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E27 Light Bulb Holder Base Fitting ES Edison Screw Cap Socket White Lamp Fixing 1004587693234 | eBay
E27 Light Bulb Holder Base Fitting ES Edison Screw Cap Socket White Lamp Fixing 1004587693234 | eBay
Our guide to light bulb types & fittings | Argos
ES E27 Edison Screw Cap Socket Fitting Pendant Ceiling Light Lamp Bulb Holder | eBay
A Guide to the Different Types of Edison Screw Bulb Fittings - 12VMonster Lighting
What does BC mean on light bulbs? - Quora
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Edison screw - Wikipedia
Light Bulb Size Chart & Series Guide - The Lightbulb Co. UK
LED Equivalent Wattages Against Traditional Lighting – LED Hut
