FR58434E - Lecteur de microfilms - Google Patents

Lecteur de microfilms

Info

Publication number
FR58434E
FR58434E FR58434DA FR58434E FR 58434 E FR58434 E FR 58434E FR 58434D A FR58434D A FR 58434DA FR 58434 E FR58434 E FR 58434E
Authority
FR
France
Prior art keywords
microfilm reader
microfilm
reader
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)
Inventor
Rene-Edouard Joriaux
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 FR58434E publication Critical patent/FR58434E/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR58434D 1948-07-10 1948-07-10 Lecteur de microfilms Expired FR58434E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR58434T 1948-07-10

Publications (1)

Publication Number Publication Date
FR58434E true FR58434E (fr) 1953-11-27

Family

ID=8692344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR58434D Expired FR58434E (fr) 1948-07-10 1948-07-10 Lecteur de microfilms

Country Status (1)

Country Link
FR (1) FR58434E (fr)

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