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Guide to Light Fittings, Caps and Bases | Lightbulbs Direct
Bulb Cord Grip Lamp Holder Ceiling Light Fitting Bayonet Mount Quality B22 LED 5024996151350 | eBay
Unfinished Brass European Bayonet B22 Base Solid Brass Lamp Push Through Switch Socket
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Bayonet B22 BC Ceramic Lamp Bulb Holder With Side Fixings, Replacement Coughtrie | eBay