DIFF Subgroup
G06M 1/30 using heart-shaped or similar cams; using levers
Introduced: September 1968
Full Title
Design features of general application > for zeroising or setting to a particular value > using heart-shaped or similar cams; using levers
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
Child Classifications
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