CPC Subgroup Additional Only
G01N 2291/051 Perpendicular incidence, perpendicular propagation
Full Title
Indexing codes associated with group G01N29/00 > Wave modes and trajectories > Perpendicular incidence, perpendicular propagation
G01N 2291/051 Indexing codes associated with group G01N29/00 > Wave modes and trajectories > Perpendicular incidence, perpendicular propagation