Pen
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DRK8011 Digital Melting Point Pen
Ny refractometer abbeder dia fitaovana afaka mamaritra ny ranon-javatra mangarahara, mangarahara, na mari-pamantarana refractive solid ND ary fiparitahana fisaka ND-NC (izay misy ny rano mangarahara indrindra indrindra).
