IPC Subgroup
G06G 1/04 characterised by construction
Introduced: September 1968
Last revised: January 2006
Full Title
Hand-manipulated computing devices > Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales > characterised by construction
Classification Context
- Section:
- PHYSICS
- Class:
- COMPUTING OR CALCULATING; COUNTING
- Subclass:
- ANALOGUE COMPUTERS
2 direct subcodes
Child Classifications
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