CPC Subgroup
G01N 33/442 Full Title
Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 > Resins; Plastics; Rubber; Leather
G01N 33/442 Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 > Resins; Plastics; Rubber; Leather