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achromatic objectives and a safety system to limit the stage height and protect the sample and objectives
El rendimiento luminoso es de 5 a 6 veces más importante y tiene una longitud de vida más grande comparándola a una lámpara incandescente clásica
The concentration and purity of an optically active substance can be measured by a polarimeter
9746 Green excitation 540-580 nm
IS.8910 bino achromatic objectives and a safety
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