FR809184A - Improvements to drawing devices - Google Patents

Improvements to drawing devices

Info

Publication number
FR809184A
FR809184A FR809184DA FR809184A FR 809184 A FR809184 A FR 809184A FR 809184D A FR809184D A FR 809184DA FR 809184 A FR809184 A FR 809184A
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
Giovanni Battista Gardoncini
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 FR809184A publication Critical patent/FR809184A/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
FR809184D 1936-07-16 1936-07-16 Improvements to drawing devices Expired FR809184A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR809184T 1936-07-16

Publications (1)

Publication Number Publication Date
FR809184A true FR809184A (en) 1937-02-25

Family

ID=9253410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR809184D Expired FR809184A (en) 1936-07-16 1936-07-16 Improvements to drawing devices

Country Status (1)

Country Link
FR (1) FR809184A (en)

Similar Documents

Publication Publication Date Title
FR829233A (en) Improvements to dividing machines
FR828977A (en) Improvements to projection devices
FR835906A (en) Improvements to drawing devices
FR785873A (en) Improvements to tapping devices
FR47982E (en) Improvements to hemming devices
FR809184A (en) Improvements to drawing devices
FR47767E (en) Improvements to mechanical plastering devices
FR822765A (en) Improvements to stereographometers
FR747434A (en) Improvements to drawing devices
FR833048A (en) Improvements to calculating devices
FR827146A (en) Improvements to dispensing devices
FR47981E (en) Improvements to hemming devices
FR809744A (en) Improvements to sorting devices
FR806613A (en) Improvements to recording devices
FR816879A (en) Improvements to swimming devices
FR808613A (en) Improvements to prepaid devices
FR827696A (en) Improvements to push-button mechanisms
FR50622E (en) Improvements to drawing devices
FR815779A (en) Improvements to lubrication devices
FR825158A (en) Improvements to indicating devices
FR821232A (en) Improvements to indicating devices
FR47470E (en) Improvements to episcopic devices
FR805415A (en) Improvements to episcopic devices
FR774012A (en) Improvements to hemming devices
FR830884A (en) Improvements to cinematographic devices