DIFF Subgroup
G01K 11/14 of inorganic materials
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Measuring temperature based on physical or chemical changes not covered by group , , , or > using changes in colour, translucency or reflectance > of inorganic materials
CPC:
Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 > using changes in colour, translucency or reflectance > of inorganic materials
No child classifications to compare. This is a leaf node in both IPC and CPC.