FR977217A - Improvements to drawing boards - Google Patents

Improvements to drawing boards

Info

Publication number
FR977217A
FR977217A FR977217DA FR977217A FR 977217 A FR977217 A FR 977217A FR 977217D A FR977217D A FR 977217DA FR 977217 A FR977217 A FR 977217A
Authority
FR
France
Prior art keywords
drawing boards
boards
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
Michel Chambrier
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 FR977217A publication Critical patent/FR977217A/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
    • B43L13/046—Guides for rulers with cables
FR977217D 1948-10-29 1948-10-29 Improvements to drawing boards Expired FR977217A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR977217T 1948-10-29

Publications (1)

Publication Number Publication Date
FR977217A true FR977217A (en) 1951-03-29

Family

ID=9519514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR977217D Expired FR977217A (en) 1948-10-29 1948-10-29 Improvements to drawing boards

Country Status (1)

Country Link
FR (1) FR977217A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2954609A (en) * 1954-12-27 1960-10-04 Henry S Goertz Drafting instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2954609A (en) * 1954-12-27 1960-10-04 Henry S Goertz Drafting instrument

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