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FR971072A - Drawing instrument - Google Patents

Drawing instrument

Info

Publication number
FR971072A
FR971072A FR971072DA FR971072A FR 971072 A FR971072 A FR 971072A FR 971072D A FR971072D A FR 971072DA FR 971072 A FR971072 A FR 971072A
Authority
FR
France
Prior art keywords
drawing instrument
instrument
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Georges Baer
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
Application granted granted Critical
Publication of FR971072A publication Critical patent/FR971072A/en
Expired legal-status Critical Current

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)
FR971072D 1947-09-06 1948-09-04 Drawing instrument Expired FR971072A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH971072X 1947-09-06

Publications (1)

Publication Number Publication Date
FR971072A true FR971072A (en) 1951-01-12

Family

ID=4550987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971072D Expired FR971072A (en) 1947-09-06 1948-09-04 Drawing instrument

Country Status (2)

Country Link
CH (1) CH271960A (en)
FR (1) FR971072A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689405A (en) * 1952-03-27 1954-09-21 Pettersen Mfg Company Roller ratchet assembly for straight edges
US3726017A (en) * 1970-10-23 1973-04-10 Adler S Drafting instrument
US4670991A (en) * 1985-02-08 1987-06-09 Robert S. McKay Drawing machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689405A (en) * 1952-03-27 1954-09-21 Pettersen Mfg Company Roller ratchet assembly for straight edges
US3726017A (en) * 1970-10-23 1973-04-10 Adler S Drafting instrument
US4670991A (en) * 1985-02-08 1987-06-09 Robert S. McKay Drawing machine

Also Published As

Publication number Publication date
CH271960A (en) 1950-11-30

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