… Lasers, other than laser diodes; other optical appliances and instruments, not specified or …
Explanatory notes
… moreover, be noted that optical instruments and appliances can fall not only in headings 90.01 to 90.12 but also in … the energy source (pumping system) and the resonant optical cavity (reflector system), i.e., the basic elements combined … supply unit, a cooling system, a control unit and, in the case of the gas laser, a gas supply system or, in the case …