DIFF Subgroup
G01K 11/26 of resonant frequencies
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 measurement of acoustic effects > of resonant frequencies
CPC:
Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 > using measurement of acoustic effects > of resonant frequencies
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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