निर्वात फ़्लास्क (Nirvat phalask) - Meaning in English: Meaning of निर्वात फ़्लास्क (Nirvat phalask) in English, What is the meaning of Nirvat phalask in English Dictionary. Pronunciation, synonyms, antonyms, sentence usage and definition of निर्वात फ़्लास्क . Nirvat phalask meaning, pronunciation, definition, synonyms and antonyms in English. निर्वात फ़्लास्क (Nirvat phalask) ka angrezi mein matalab arth aur proyog
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