BE686973A - - Google Patents

Info

Publication number
BE686973A
BE686973A BE686973DA BE686973A BE 686973 A BE686973 A BE 686973A BE 686973D A BE686973D A BE 686973DA BE 686973 A BE686973 A BE 686973A
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
Application filed filed Critical
Publication of BE686973A publication Critical patent/BE686973A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/205—Neutral density filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Joining Of Glass To Other Materials (AREA)
BE686973D 1966-03-10 1966-09-16 BE686973A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU50618 1966-03-10

Publications (1)

Publication Number Publication Date
BE686973A true BE686973A (enrdf_load_stackoverflow) 1967-03-01

Family

ID=19724747

Family Applications (1)

Application Number Title Priority Date Filing Date
BE686973D BE686973A (enrdf_load_stackoverflow) 1966-03-10 1966-09-16

Country Status (5)

Country Link
BE (1) BE686973A (enrdf_load_stackoverflow)
ES (1) ES336455A1 (enrdf_load_stackoverflow)
FR (1) FR1501242A (enrdf_load_stackoverflow)
LU (1) LU50618A1 (enrdf_load_stackoverflow)
NL (1) NL6701937A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
LU50618A1 (enrdf_load_stackoverflow) 1967-09-11
NL6701937A (enrdf_load_stackoverflow) 1967-09-11
ES336455A1 (es) 1968-01-01
FR1501242A (fr) 1967-11-10

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