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optische Faser
antenn., opt.	optical fibre
commun., el.	fibre cable; fibre optic cable; optical cable; optical fibre cable
comp.	optical waveguide; OWG; lightguide (fiber); glass fiber
phys.	optical fiber
textile	optic fiber

optische Faser: 11 phrases in 4 subjects

Earth sciences	1
Electronics	7
Information technology	2
Optics branch of physics	1