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| 130109 Lux meter 1 Lux – 100 kLux(Designed by Karl-Anton Dichtel) The following is based on text and information the author provided. Due to...

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| 130109 Lux meter 1 Lux – 100 kLux(Designed by Karl-Anton Dichtel) The following is based on text and information the author provided. Due to...