BE346003A - - Google Patents

Info

Publication number
BE346003A
BE346003A BE346003DA BE346003A BE 346003 A BE346003 A BE 346003A BE 346003D A BE346003D A BE 346003DA BE 346003 A BE346003 A BE 346003A
Authority
BE
Belgium
Prior art keywords
solution
canopy
salt
alum
desc
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE346003A publication Critical patent/BE346003A/fr

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/16Cooling; Preventing overheating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
BE346003D BE346003A (cs)

Publications (1)

Publication Number Publication Date
BE346003A true BE346003A (cs)

Family

ID=21933

Family Applications (1)

Application Number Title Priority Date Filing Date
BE346003D BE346003A (cs)

Country Status (1)

Country Link
BE (1) BE346003A (cs)

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