DE260917C - - Google Patents

Info

Publication number

DE260917C

DE260917C DENDAT260917D DE260917DA DE260917C DE 260917 C DE260917 C DE 260917C DE NDAT260917 D DENDAT260917 D DE NDAT260917D DE 260917D A DE260917D A DE 260917DA DE 260917 C DE260917 C DE 260917C

Authority

DE

Germany

Prior art keywords

booking

punch

card

cards

punching

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Active

Links

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• 238000004080 punching Methods 0.000 claims description 4
• 238000004519 manufacturing process Methods 0.000 description 4
• 230000007246 mechanism Effects 0.000 description 3
• 238000000034 method Methods 0.000 description 3
• 230000001960 triggered effect Effects 0.000 description 3
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
• 230000005540 biological transmission Effects 0.000 description 2
• 230000006872 improvement Effects 0.000 description 2
• 238000013459 approach Methods 0.000 description 1
• 230000008859 change Effects 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1
• 230000037431 insertion Effects 0.000 description 1
• 229910052742 iron Inorganic materials 0.000 description 1
• 230000004048 modification Effects 0.000 description 1
• 238000012986 modification Methods 0.000 description 1
• 238000002360 preparation method Methods 0.000 description 1
• 230000008569 process Effects 0.000 description 1
• 238000012360 testing method Methods 0.000 description 1