FR1043639A - Perfectionnement aux appareils à microfilmer - Google Patents

Perfectionnement aux appareils à microfilmer

Info

Publication number
FR1043639A
FR1043639A FR1043639DA FR1043639A FR 1043639 A FR1043639 A FR 1043639A FR 1043639D A FR1043639D A FR 1043639DA FR 1043639 A FR1043639 A FR 1043639A
Authority
FR
France
Prior art keywords
microfilm
machines
further training
training
microfilm machines
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
English (en)
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.)
SOC D CONST D APP DE PREC
Original Assignee
SOC D CONST D APP DE PREC
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 SOC D CONST D APP DE PREC filed Critical SOC D CONST D APP DE PREC
Application granted granted Critical
Publication of FR1043639A publication Critical patent/FR1043639A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/62—Holders for the original
    • G03B27/6207—Holders for the original in copying cameras
    • G03B27/6214—Copy boards

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1043639D 1951-10-09 1951-10-09 Perfectionnement aux appareils à microfilmer Expired FR1043639A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1043639T 1951-10-09

Publications (1)

Publication Number Publication Date
FR1043639A true FR1043639A (fr) 1953-11-10

Family

ID=9590665

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1043639D Expired FR1043639A (fr) 1951-10-09 1951-10-09 Perfectionnement aux appareils à microfilmer

Country Status (1)

Country Link
FR (1) FR1043639A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125324A (en) * 1976-07-02 1978-11-14 Spence Bate Copying apparatus
US12028497B1 (en) * 2023-05-22 2024-07-02 Certified Guaranty Company, LLC Simultaneous single obverse and reverse imaging of collectible items

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125324A (en) * 1976-07-02 1978-11-14 Spence Bate Copying apparatus
US12028497B1 (en) * 2023-05-22 2024-07-02 Certified Guaranty Company, LLC Simultaneous single obverse and reverse imaging of collectible items

Similar Documents

Publication Publication Date Title
BE593854Q (fr) Appareil à microfilm.
FR1062505A (fr) Perfectionnement aux machines-outils
FR1043639A (fr) Perfectionnement aux appareils à microfilmer
FR1041086A (fr) Perfectionnement aux machines à oblitérer
FR1031924A (fr) Perfectionnement aux projecteurs ultra-sonores
FR1093951A (fr) Perfectionnement aux machines électroniques à additionner
FR1029201A (fr) Perfectionnement aux appareils de projection cinématographique
FR1034178A (fr) Perfectionnement aux machines à calculer
FR1032247A (fr) Perfectionnement à certains appareils dits balais-laveurs
FR1038137A (fr) Perfectionnement aux appareils photographiques
FR1018747A (fr) Perfectionnement aux machines à fileter
FR1028228A (fr) Perfectionnement aux appareils photographiques
FR61340E (fr) Perfectionnement aux appareils de projection cinématographiques
FR64209E (fr) Perfectionnement aux appareils de projection cinématographiques
FR64105E (fr) Perfectionnement aux appareils de projection cinématopgraphiques
FR62134E (fr) Perfectionnement aux appareils de projection cinématographiques
FR1048304A (fr) Perfectionnement aux machines à écrire
FR1035101A (fr) Perfectionnement aux appareils photographiques
FR1038096A (fr) Perfectionnement aux appareils à dessiner
FR1041314A (fr) Perfectionnement aux appareils de projection cinématographique
FR1022911A (fr) Perfectionnement aux appareils photographiques
FR990745A (fr) Perfectionnement aux appareils à dessiner
FR1046443A (fr) Perfectionnement aux machines à coudre
FR1075796A (fr) Perfectionnement aux appareils de reproduction photographique
FR1041970A (fr) Perfectionnement aux tables à dessin