About: optical comparator

Premodifier: optical
Head noun: comparator

Same concepts
http://dbpedia.org/resource/Optical_comparator

Broader concepts

label	provenance	confidence
equipment	isap:193725356	0.559378
measurement	isap:315880072	0.507957
instrument	isap:399243048	0.505955

Narrower concepts

label	provenance	confidence