BE676124A - - Google Patents

Info

Publication number
BE676124A
BE676124A BE676124DA BE676124A BE 676124 A BE676124 A BE 676124A BE 676124D A BE676124D A BE 676124DA BE 676124 A BE676124 A BE 676124A
Authority
BE
Belgium
Application number
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
Priority claimed from FR5334A external-priority patent/FR1432792A/fr
Priority claimed from FR19209A external-priority patent/FR88044E/fr
Application filed filed Critical
Publication of BE676124A publication Critical patent/BE676124A/xx

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
    • G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
BE676124D 1965-02-12 1966-02-07 BE676124A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR5334A FR1432792A (fr) 1965-02-12 1965-02-12 Dispositif de protection d'une surface contre les salissures et la corrosion
FR19209A FR88044E (fr) 1965-06-02 1965-06-02 Dispositif de protection d'une surface contre les salissures et la corrosion

Publications (1)

Publication Number Publication Date
BE676124A true BE676124A (zh) 1966-06-16

Family

ID=26161999

Family Applications (1)

Application Number Title Priority Date Filing Date
BE676124D BE676124A (zh) 1965-02-12 1966-02-07

Country Status (5)

Country Link
AT (1) AT269513B (zh)
BE (1) BE676124A (zh)
ES (1) ES322909A1 (zh)
GB (1) GB1138451A (zh)
NL (1) NL6601759A (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0211989A1 (de) * 1985-08-22 1987-03-04 Albrecht Bäumer KG Spezialmaschinenfabrik Verfahren und Gerät zur Abschätzung der Menge des wulstförmigen Vorratsmaterials zwischen Kalanderwalzen
US5406413A (en) * 1991-07-30 1995-04-11 Asahi Kogaku Kogyo Kabushiki Kaisha Lens cover apparatus of optical instrument
SE514473C2 (sv) * 1999-03-02 2001-02-26 Alfa Laval Agri Ab Skyddsanordning för en spenlokaliserare
WO2024028707A1 (en) * 2022-08-03 2024-02-08 Georgia-Pacific Gypsum Llc Apparatuses and systems for shielding an optical sensor, self-cleaning optical sensor assembly, and methods of using the same

Also Published As

Publication number Publication date
NL6601759A (zh) 1966-08-15
GB1138451A (en) 1969-01-01
AT269513B (de) 1969-03-25
ES322909A1 (es) 1966-08-01

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