NL6601759A - - Google Patents

Info

Publication number
NL6601759A
NL6601759A NL6601759A NL6601759A NL6601759A NL 6601759 A NL6601759 A NL 6601759A NL 6601759 A NL6601759 A NL 6601759A NL 6601759 A NL6601759 A NL 6601759A NL 6601759 A NL6601759 A NL 6601759A
Authority
NL
Netherlands
Application number
NL6601759A
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 NL6601759A publication Critical patent/NL6601759A/xx

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0006Optical 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)
  • Securing Of Glass Panes Or The Like (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
NL6601759A 1965-02-12 1966-02-11 NL6601759A (xx)

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
NL6601759A true NL6601759A (xx) 1966-08-15

Family

ID=26161999

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6601759A NL6601759A (xx) 1965-02-12 1966-02-11

Country Status (5)

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

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
GB1138451A (en) 1969-01-01
AT269513B (de) 1969-03-25
BE676124A (xx) 1966-06-16
ES322909A1 (es) 1966-08-01

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