माइक्रोमीटर
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thumb|maikromitar maikromitar (aangrezi:Micrometer) ek vaijnanik upakaran hai. maikromitar ka avishkar viliyam gais kojin dvara kiya gaya tha. maikromitar ek prakar ka paimana hai jisaki sahayata se mimi ke hazaravean bhag ko jnat kar sakate haian.
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