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Philips H7 12v 55w Diamond Vision 5000k Xenon White Car Halogen Original Headlight Auto Bulb Genuine Bright Lamp 12972dvs2, Pair - Car Headlight Bulbs(halogen) - AliExpress
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How many tech firms does it take to change a light bulb into one that doesn't work? Only one: Philips | Internet of things | The Guardian
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