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DIFF Main Group
G04F 13/00

Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00

Introduced: July 1974

Title

Titles differ between systems:

IPC: Apparatus for measuring unknown time intervals by means not provided for in groups

CPC: Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00

Full Title

Full titles differ between systems:

IPC:

Apparatus for measuring unknown time intervals by means not provided for in groups

CPC:

Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

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  • G04F 13/04 using electrochemical means since 1974 IPC+CPC Available in IPC and CPC
  • G04F 13/06 using fluidic means since 1974 IPC+CPC Available in IPC and CPC