BE727673A - - Google Patents

Info

Publication number
BE727673A
BE727673A BE727673DA BE727673A BE 727673 A BE727673 A BE 727673A BE 727673D A BE727673D A BE 727673DA BE 727673 A BE727673 A BE 727673A
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 BE727673A publication Critical patent/BE727673A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
BE727673D 1968-01-30 1969-01-30 BE727673A (US20070244113A1-20071018-C00169.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70170868A 1968-01-30 1968-01-30

Publications (1)

Publication Number Publication Date
BE727673A true BE727673A (US20070244113A1-20071018-C00169.png) 1969-07-30

Family

ID=24818353

Family Applications (1)

Application Number Title Priority Date Filing Date
BE727673D BE727673A (US20070244113A1-20071018-C00169.png) 1968-01-30 1969-01-30

Country Status (6)

Country Link
BE (1) BE727673A (US20070244113A1-20071018-C00169.png)
BR (1) BR6906014D0 (US20070244113A1-20071018-C00169.png)
CH (1) CH496962A (US20070244113A1-20071018-C00169.png)
DE (1) DE1904547A1 (US20070244113A1-20071018-C00169.png)
FR (1) FR2000980A1 (US20070244113A1-20071018-C00169.png)
NL (1) NL6901350A (US20070244113A1-20071018-C00169.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321575A1 (fr) * 1975-08-22 1977-03-18 Bfg Glassgroup Panneau antifeu feuillete transmettant la lumiere

Also Published As

Publication number Publication date
BR6906014D0 (pt) 1973-01-18
FR2000980A1 (US20070244113A1-20071018-C00169.png) 1969-09-19
DE1904547A1 (de) 1969-10-16
CH496962A (de) 1970-09-30
NL6901350A (US20070244113A1-20071018-C00169.png) 1969-08-01

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