CPC Subgroup Additional Only
H01H 2219/054 Optical elements
Full Title
Legends > Optical elements
6 direct subcodes
Child Classifications
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- H01H 2219/056 Diffuser; Uneven surface
- H01H 2219/058 Optical grid, collimator or microlouver
- H01H 2219/06 Reflector
- H01H 2219/062 Light conductor
- H01H 2219/064 Optical isolation of switch sites
- H01H 2219/066 Lens