DIFF Subgroup
G01B 3/1005 Means for controlling winding or unwinding of tapes
Introduced: January 2020
Full Title
Measuring instruments characterised by the use of mechanical techniques > Measuring tapes > Means for controlling winding or unwinding of tapes
Of 4 combined children, 2 exist in both systems.
2 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
IPC defines codes here since 2020.
Child Classifications
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