FR992155A - Improvements to punching machines for punched cards - Google Patents

Improvements to punching machines for punched cards

Info

Publication number
FR992155A
FR992155A FR992155DA FR992155A FR 992155 A FR992155 A FR 992155A FR 992155D A FR992155D A FR 992155DA FR 992155 A FR992155 A FR 992155A
Authority
FR
France
Prior art keywords
punching machines
punched cards
punched
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.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie des Machines Bull SA
Original Assignee
Compagnie des Machines Bull SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compagnie des Machines Bull SA filed Critical Compagnie des Machines Bull SA
Application granted granted Critical
Publication of FR992155A publication Critical patent/FR992155A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/04—Perforating by punching, e.g. with relatively-reciprocating punch and bed with selectively-operable punches

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR992155D 1944-05-17 1944-05-17 Improvements to punching machines for punched cards Expired FR992155A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR992155T 1944-05-17

Publications (1)

Publication Number Publication Date
FR992155A true FR992155A (en) 1951-10-15

Family

ID=9554539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR992155D Expired FR992155A (en) 1944-05-17 1944-05-17 Improvements to punching machines for punched cards

Country Status (1)

Country Link
FR (1) FR992155A (en)

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