CPC Subgroup Additional Only
G01N 2291/105 two or more emitters, two or more receivers
Full Title
Indexing codes associated with group G01N29/00 > Number of transducers > two or more emitters, two or more receivers
G01N 2291/105 Indexing codes associated with group G01N29/00 > Number of transducers > two or more emitters, two or more receivers