स्फ़ेरोमीटर
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thumb|sferomitar sferomitar (aangrezi:Spherometer) ek vaijnanik upakaran hai. yah goliy tal ki vakrata ki trijya jnat karane ke kam ata hai.
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thumb|sferomitar sferomitar (aangrezi:Spherometer) ek vaijnanik upakaran hai. yah goliy tal ki vakrata ki trijya jnat karane ke kam ata hai.
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