FR983786A - Improvements to the rules of drawing devices - Google Patents

Improvements to the rules of drawing devices

Info

Publication number
FR983786A
FR983786A FR983786DA FR983786A FR 983786 A FR983786 A FR 983786A FR 983786D A FR983786D A FR 983786DA FR 983786 A FR983786 A FR 983786A
Authority
FR
France
Prior art keywords
rules
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
Other languages
French (fr)
Inventor
Edouard Berth
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 FR983786A publication Critical patent/FR983786A/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
    • B43L7/005—Straightedges combined with other drawing aids
FR983786D 1949-03-29 1949-03-29 Improvements to the rules of drawing devices Expired FR983786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR983786T 1949-03-29

Publications (1)

Publication Number Publication Date
FR983786A true FR983786A (en) 1951-06-27

Family

ID=9536269

Family Applications (1)

Application Number Title Priority Date Filing Date
FR983786D Expired FR983786A (en) 1949-03-29 1949-03-29 Improvements to the rules of drawing devices

Country Status (1)

Country Link
FR (1) FR983786A (en)

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