CPC Subgroup Additional Only
G01N 2201/06186 Resistance heated; wire sources; lamelle sources
Full Title
Features of devices classified in G01N21/00 > Illumination; Optics > Sources > Resistance heated; wire sources; lamelle sources
G01N 2201/06186 Features of devices classified in G01N21/00 > Illumination; Optics > Sources > Resistance heated; wire sources; lamelle sources