FR1104197A - Viewer - Google Patents

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Info

Publication number
FR1104197A
FR1104197A FR1104197DA FR1104197A FR 1104197 A FR1104197 A FR 1104197A FR 1104197D A FR1104197D A FR 1104197DA FR 1104197 A FR1104197 A FR 1104197A
Authority
FR
France
Prior art keywords
viewer
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
Adrien Poncet
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 FR1104197A publication Critical patent/FR1104197A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1104197D 1954-05-04 1954-05-04 Viewer Expired FR1104197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1104197T 1954-05-04

Publications (1)

Publication Number Publication Date
FR1104197A true FR1104197A (en) 1955-11-17

Family

ID=9622640

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1104197D Expired FR1104197A (en) 1954-05-04 1954-05-04 Viewer

Country Status (1)

Country Link
FR (1) FR1104197A (en)

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