Chemistry · Petroleum Products
इन्फ्रास्ट्रक्चर में कोलतार (Coal tar) का सामान्य उपयोग क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 2ईंधन योजक (Fuel additive)
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- 4छत सीलेंट (Roofing sealant)
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