BE704992A - - Google Patents

Info

Publication number
BE704992A
BE704992A BE704992DA BE704992A BE 704992 A BE704992 A BE 704992A BE 704992D A BE704992D A BE 704992DA BE 704992 A BE704992 A BE 704992A
Authority
BE
Belgium
Prior art keywords
slats
parallel
slat
sliding
square
Prior art date
Application number
Other languages
English (en)
French (fr)
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 BE704992A publication Critical patent/BE704992A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/04—Guides for rulers

Landscapes

  • Drawing Aids And Blackboards (AREA)
BE704992D 1967-10-12 1967-10-12 BE704992A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE704992 1967-10-12

Publications (1)

Publication Number Publication Date
BE704992A true BE704992A (enExample) 1968-02-15

Family

ID=3851623

Family Applications (1)

Application Number Title Priority Date Filing Date
BE704992D BE704992A (enExample) 1967-10-12 1967-10-12

Country Status (1)

Country Link
BE (1) BE704992A (enExample)

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