FR1021244A - Telescopic glasses - Google Patents

Telescopic glasses

Info

Publication number
FR1021244A
FR1021244A FR1021244DA FR1021244A FR 1021244 A FR1021244 A FR 1021244A FR 1021244D A FR1021244D A FR 1021244DA FR 1021244 A FR1021244 A FR 1021244A
Authority
FR
France
Prior art keywords
telescopic glasses
glasses
telescopic
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
Hermann August Ruhl
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 FR1021244A publication Critical patent/FR1021244A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/08—Auxiliary lenses; Arrangements for varying focal length

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1021244D 1950-07-01 1950-07-01 Telescopic glasses Expired FR1021244A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1021244T 1950-07-01

Publications (1)

Publication Number Publication Date
FR1021244A true FR1021244A (en) 1953-02-16

Family

ID=9576859

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1021244D Expired FR1021244A (en) 1950-07-01 1950-07-01 Telescopic glasses

Country Status (1)

Country Link
FR (1) FR1021244A (en)

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