Yo Point Pen

  • DRK8011 Digital Melting Point Pen

    DRK8011 Digital Yo Point Pen

    Awọn abbeder refractometer jẹ ohun elo ti o lagbara ti npinnu sihin, translucent omi, tabi ri to refractive atọka ND ati ki o kan Building pipinka ND-NC (eyi ti o jẹ o kun ninu eyi ti awọn sihin omi jẹ o kun).