… other than laser diodes; other optical appliances and instruments, not specified or included elsewhere in this …
Explanatory notes
… ‑ Parts and accessories In accordance with Chapter Note 5, measuring or checking optical appliances, instruments and … process of controlled stimulated emission. When the lasing medium (e.g., crystals, gases, liquids, chemical products) … of special devices (e.g., work‑tables, work‑holders, means of feeding and positioning workpieces, means of …