BE408557A - - Google Patents

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Publication number
BE408557A
BE408557A BE408557DA BE408557A BE 408557 A BE408557 A BE 408557A BE 408557D A BE408557D A BE 408557DA BE 408557 A BE408557 A BE 408557A
Authority
BE
Belgium
Prior art keywords
film
diaphragm
slit
light
light source
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE408557A publication Critical patent/BE408557A/fr

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  • Projection Apparatus (AREA)
BE408557D BE408557A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Publications (1)

Publication Number Publication Date
BE408557A true BE408557A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=73109

Family Applications (1)

Application Number Title Priority Date Filing Date
BE408557D BE408557A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Country Status (1)

Country Link
BE (1) BE408557A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

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