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Punched card systems

Topic sh85109085 · id.loc.gov

Scope Notes

This heading may be further subdivided by subject, e.g. [Punched card systems--Chemistry.]

Used for

  • Codes for punched card systems
  • Data processing
  • Perforated card systems
  • Punch-card systems
  • Punched card systems--Business

Broader Terms (7)

Hierarchy

Broader groupings:

Narrower Terms (3)