FR738695A - - Google Patents

Info

Publication number
FR738695A
FR738695A FR738695DA FR738695A FR 738695 A FR738695 A FR 738695A FR 738695D A FR738695D A FR 738695DA FR 738695 A FR738695 A FR 738695A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR738695A publication Critical patent/FR738695A/fr
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
    • G02B27/08—Kaleidoscopes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR738695D Expired FR738695A (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
FR738695A true FR738695A (cg-RX-API-DMAC10.html) 1932-12-28

Family

ID=1545364

Family Applications (1)

Application Number Title Priority Date Filing Date
FR738695D Expired FR738695A (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
FR (1) FR738695A (cg-RX-API-DMAC10.html)

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