FR1152388A - Verres de lunette trifocaux - Google Patents

Verres de lunette trifocaux

Info

Publication number
FR1152388A
FR1152388A FR1152388DA FR1152388A FR 1152388 A FR1152388 A FR 1152388A FR 1152388D A FR1152388D A FR 1152388DA FR 1152388 A FR1152388 A FR 1152388A
Authority
FR
France
Prior art keywords
spectacle lenses
trifocal spectacle
trifocal
lenses
spectacle
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
Georges Murat
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 FR1152388A publication Critical patent/FR1152388A/fr
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
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1152388D 1956-06-18 1956-06-18 Verres de lunette trifocaux Expired FR1152388A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1152388T 1956-06-18

Publications (1)

Publication Number Publication Date
FR1152388A true FR1152388A (fr) 1958-02-14

Family

ID=9648349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1152388D Expired FR1152388A (fr) 1956-06-18 1956-06-18 Verres de lunette trifocaux

Country Status (1)

Country Link
FR (1) FR1152388A (fr)

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