Meaning of (ज्योति प्रवर्धक) jyoti pravardhak in english

Other :
luminance amplifier
Exampleज्योति प्रवर्धक का हिन्दी मे अर्थ

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(ज्योति प्रवर्धक) jyoti pravardhak No of characters: 15 including consonants matras. Transliteration : jyoti pravardhaka

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