BE367340A - - Google Patents

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Publication number
BE367340A
BE367340A BE367340DA BE367340A BE 367340 A BE367340 A BE 367340A BE 367340D A BE367340D A BE 367340DA BE 367340 A BE367340 A BE 367340A
Authority
BE
Belgium
Prior art keywords
pinion
rulers
point
inscription
rack
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE367340A publication Critical patent/BE367340A/fr

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L11/00Non-circular-curve-drawing instruments
    • B43L11/02Non-circular-curve-drawing instruments for drawing conic sections

Landscapes

  • Transmission Devices (AREA)
BE367340D BE367340A (show.php)

Publications (1)

Publication Number Publication Date
BE367340A true BE367340A (show.php)

Family

ID=39323

Family Applications (1)

Application Number Title Priority Date Filing Date
BE367340D BE367340A (show.php)

Country Status (1)

Country Link
BE (1) BE367340A (show.php)

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