FR664537A - Verre de lunettes de protection - Google Patents

Verre de lunettes de protection

Info

Publication number
FR664537A
FR664537A FR664537DA FR664537A FR 664537 A FR664537 A FR 664537A FR 664537D A FR664537D A FR 664537DA FR 664537 A FR664537 A FR 664537A
Authority
FR
France
Prior art keywords
protective glasses
glasses glass
glass
protective
glasses
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsche Spiegelglas AG
Original Assignee
Deutsche Spiegelglas AG
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 by Deutsche Spiegelglas AG filed Critical Deutsche Spiegelglas AG
Application granted granted Critical
Publication of FR664537A publication Critical patent/FR664537A/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
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/105—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having inhomogeneously distributed colouring

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR664537D 1928-11-24 1928-11-24 Verre de lunettes de protection Expired FR664537A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR664537T 1928-11-24

Publications (1)

Publication Number Publication Date
FR664537A true FR664537A (fr) 1929-09-04

Family

ID=9012700

Family Applications (1)

Application Number Title Priority Date Filing Date
FR664537D Expired FR664537A (fr) 1928-11-24 1928-11-24 Verre de lunettes de protection

Country Status (1)

Country Link
FR (1) FR664537A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE924710C (de) * 1951-08-17 1955-03-07 Erich Koenig Brille mit Absorptionsfeldern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE924710C (de) * 1951-08-17 1955-03-07 Erich Koenig Brille mit Absorptionsfeldern

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