FR840526A - Improvements to drawing devices - Google Patents

Improvements to drawing devices

Info

Publication number
FR840526A
FR840526A FR840526DA FR840526A FR 840526 A FR840526 A FR 840526A FR 840526D A FR840526D A FR 840526DA FR 840526 A FR840526 A FR 840526A
Authority
FR
France
Prior art keywords
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
Sifflet De Berville
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 FR840526A publication Critical patent/FR840526A/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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/04—Guides for rulers
    • B43L13/06—Guides for rulers with pivoted guide rods
FR840526D 1938-07-09 1938-07-09 Improvements to drawing devices Expired FR840526A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR840526T 1938-07-09

Publications (1)

Publication Number Publication Date
FR840526A true FR840526A (en) 1939-04-27

Family

ID=9302797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR840526D Expired FR840526A (en) 1938-07-09 1938-07-09 Improvements to drawing devices

Country Status (1)

Country Link
FR (1) FR840526A (en)

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