CH298920A - Squadra per tracciare linee rette e curve. - Google Patents

Squadra per tracciare linee rette e curve.

Info

Publication number
CH298920A
CH298920A CH298920DA CH298920A CH 298920 A CH298920 A CH 298920A CH 298920D A CH298920D A CH 298920DA CH 298920 A CH298920 A CH 298920A
Authority
CH
Switzerland
Prior art keywords
square
curved lines
draw straight
draw
straight
Prior art date
Application number
Other languages
English (en)
Italian (it)
Inventor
Mittero Giuseppe
Robba Pierangelo
Original Assignee
Mittero Giuseppe
Robba Pierangelo
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 by Mittero Giuseppe, Robba Pierangelo filed Critical Mittero Giuseppe
Publication of CH298920A publication Critical patent/CH298920A/it

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
    • B43L7/00—Straightedges
    • B43L7/027—Plural non-adjustable straightedges fixed at right angles
    • B43L7/0275—Triangles
CH298920D 1951-01-20 1951-12-11 Squadra per tracciare linee rette e curve. CH298920A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT298920X 1951-01-20

Publications (1)

Publication Number Publication Date
CH298920A true CH298920A (it) 1954-05-31

Family

ID=11228623

Family Applications (1)

Application Number Title Priority Date Filing Date
CH298920D CH298920A (it) 1951-01-20 1951-12-11 Squadra per tracciare linee rette e curve.

Country Status (2)

Country Link
BE (1) BE511778A (cs)
CH (1) CH298920A (cs)

Also Published As

Publication number Publication date
BE511778A (cs)

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