DIFF Main Group
G04G 5/00 Setting, i.e. correcting or changing, the time-indication (radio-controlled time-pieces G04R)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Setting, i.e. correcting or changing, the time-indication
CPC: Setting, i.e. correcting or changing, the time-indication (radio-controlled time-pieces G04R)
Full Title
Full titles differ between systems:
IPC:
Setting, i.e. correcting or changing, the time-indication
CPC:
Setting, i.e. correcting or changing, the time-indication (radio-controlled time-pieces G04R)
CPC subdivides this area 3x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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