FR1287414A - Improvement in drawing devices - Google Patents

Improvement in drawing devices

Info

Publication number
FR1287414A
FR1287414A FR41118A FR69041118A FR1287414A FR 1287414 A FR1287414 A FR 1287414A FR 41118 A FR41118 A FR 41118A FR 69041118 A FR69041118 A FR 69041118A FR 1287414 A FR1287414 A FR 1287414A
Authority
FR
France
Prior art keywords
improvement
drawing devices
devices
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
FR41118A
Other languages
French (fr)
Inventor
Leon Bonneville
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
Priority to FR41118A priority Critical patent/FR1287414A/en
Application granted granted Critical
Publication of FR1287414A publication Critical patent/FR1287414A/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
    • B43L7/10—Plural straightedges relatively movable
    • B43L7/12—Square and pivoted straightedges
FR41118A 1961-01-16 1961-01-16 Improvement in drawing devices Expired FR1287414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR41118A FR1287414A (en) 1961-01-16 1961-01-16 Improvement in drawing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41118A FR1287414A (en) 1961-01-16 1961-01-16 Improvement in drawing devices

Publications (1)

Publication Number Publication Date
FR1287414A true FR1287414A (en) 1962-03-16

Family

ID=8594545

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41118A Expired FR1287414A (en) 1961-01-16 1961-01-16 Improvement in drawing devices

Country Status (1)

Country Link
FR (1) FR1287414A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3331134A (en) * 1965-09-20 1967-07-18 Chevron Res Earth formation core protractor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3331134A (en) * 1965-09-20 1967-07-18 Chevron Res Earth formation core protractor

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