Pen

  • DRK8011 Digital Melting Point Pen

    DRK8011 Digital Melting Point Pen

    The abbeder refractometer bụ ngwá ọrụ nwere ike ikpebi transperent, translucent mmiri mmiri, ma ọ bụ siri ike refractive ND ND na a flat dispersion ND-NC (nke bụ tumadi nke transperent mmiri mmiri bụ tumadi).