F28F 27/00 Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus (control arrangements in general G05)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
CPC: Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus (control arrangements in general G05)
Full Title
Full titles differ between systems:
Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus (control arrangements in general G05)
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F28F 27/02 for controlling the distribution of heat-exchange media between different channels (; arrangements of guide plates or guide vanes F28F9/22, F28F25/12) IPC+CPC Available in IPC and CPC