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ducol-punched card meaning in English

每列多孔卡片
每列双穿孔卡片
每行多孔卡片

Related Words

  1. ducol steel
  2. ducol punched card
  3. alphabetical punch
  4. ainsworth punch
  5. segmented punch
  6. interstage punch
  7. rocket punch
  8. punched needle
  9. die punching
  10. reproducing punch
  11. ducol punched card
  12. ducol steel
  13. ducol-punched card system
  14. ducolege
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