FR774247A - Map library binder - Google Patents

Map library binder

Info

Publication number
FR774247A
FR774247A FR774247DA FR774247A FR 774247 A FR774247 A FR 774247A FR 774247D A FR774247D A FR 774247DA FR 774247 A FR774247 A FR 774247A
Authority
FR
France
Prior art keywords
map library
library binder
binder
map
library
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)
Inventor
Birger Aagaard
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 filed Critical
Application granted granted Critical
Publication of FR774247A publication Critical patent/FR774247A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
    • G06K21/02—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed mechanically, e.g. by needle

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR774247D 1933-08-03 1934-05-18 Map library binder Expired FR774247A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US774247XA 1933-08-03 1933-08-03

Publications (1)

Publication Number Publication Date
FR774247A true FR774247A (en) 1934-12-03

Family

ID=1552137

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774247D Expired FR774247A (en) 1933-08-03 1934-05-18 Map library binder

Country Status (1)

Country Link
FR (1) FR774247A (en)

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