DIFF Subgroup
G01N 33/42 Road-making materials (G01N33/38 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Road-making materials
CPC: Road-making materials (G01N33/38 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Investigating or analysing materials by specific methods not covered by groups > Road-making materials
CPC:
Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 > Road-making materials (G01N33/38 takes precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.