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PCE
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DIFF Main Group
F22B 37/00

Component parts or details of steam boilers

Introduced: September 1968

Of 8 combined children, 5 exist in both systems.

3 codes are CPC-only extensions.

Child Classifications

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  • F22B 37/001 CPC only CPC only
  • F22B 37/008 CPC only CPC only
  • F22B 37/60 specially adapted for steam boilers of instantaneous or flash type IPC+CPC Available in IPC and CPC
  • F22B 37/76 Adaptations or mounting of devices for observing existence or direction of fluid flow IPC+CPC Available in IPC and CPC
  • F22B 37/78 Adaptations or mounting of level indicators IPC+CPC Available in IPC and CPC