DIFF Subgroup
G01B 3/02 Rulers with scales or marks for direct reading (measuring tapes G01B3/10)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Rulers with scales or marks for direct reading
CPC: Rulers with scales or marks for direct reading (measuring tapes G01B3/10)
Full Title
Full titles differ between systems:
IPC:
Measuring instruments characterised by the use of mechanical techniques > Rulers with scales or marks for direct reading
CPC:
Measuring instruments characterised by the use of mechanical techniques > Rulers with scales or marks for direct reading (measuring tapes G01B3/10)
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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