Diffraction Grating Spectroscope

E14.2416

Cov lus piav qhia luv luv:


Khoom Nthuav dav

Cov khoom lag luam

Lub cev hlau, Dia.6mm / 15mm, Ntev 55mm, Ntsuas Ntsuas 400 ~ 700nm


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa rau peb