CH250086A - Drawing and hatching ruler with graduation. - Google Patents

Drawing and hatching ruler with graduation.

Info

Publication number
CH250086A
CH250086A CH250086DA CH250086A CH 250086 A CH250086 A CH 250086A CH 250086D A CH250086D A CH 250086DA CH 250086 A CH250086 A CH 250086A
Authority
CH
Switzerland
Prior art keywords
graduation
hatching
ruler
hatching ruler
Prior art date
Application number
Other languages
German (de)
Inventor
Ulrich Fritz
Original Assignee
Ulrich Fritz
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 Ulrich Fritz filed Critical Ulrich Fritz
Publication of CH250086A publication Critical patent/CH250086A/en

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
    • B43L7/04—Straightedges with rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawing Aids And Blackboards (AREA)
CH250086D 1946-03-21 1946-03-21 Drawing and hatching ruler with graduation. CH250086A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH250086T 1946-03-21

Publications (1)

Publication Number Publication Date
CH250086A true CH250086A (en) 1947-08-15

Family

ID=4549593

Family Applications (1)

Application Number Title Priority Date Filing Date
CH250086D CH250086A (en) 1946-03-21 1946-03-21 Drawing and hatching ruler with graduation.

Country Status (3)

Country Link
CH (1) CH250086A (en)
DE (1) DE860909C (en)
FR (1) FR943510A (en)

Also Published As

Publication number Publication date
DE860909C (en) 1952-12-29
FR943510A (en) 1949-03-10

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