FR990597A - universal square on parallel rule - Google Patents

universal square on parallel rule

Info

Publication number
FR990597A
FR990597A FR990597DA FR990597A FR 990597 A FR990597 A FR 990597A FR 990597D A FR990597D A FR 990597DA FR 990597 A FR990597 A FR 990597A
Authority
FR
France
Prior art keywords
parallel rule
universal square
universal
square
rule
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
Jacques Sillet
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 FR990597A publication Critical patent/FR990597A/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
    • B43L13/08—Protractor heads
FR990597D 1949-07-13 1949-07-13 universal square on parallel rule Expired FR990597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR990597T 1949-07-13

Publications (1)

Publication Number Publication Date
FR990597A true FR990597A (en) 1951-09-24

Family

ID=9545445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990597D Expired FR990597A (en) 1949-07-13 1949-07-13 universal square on parallel rule

Country Status (1)

Country Link
FR (1) FR990597A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508336A (en) * 1968-12-05 1970-04-28 Hughes Owens Co Ltd Drafting machine head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508336A (en) * 1968-12-05 1970-04-28 Hughes Owens Co Ltd Drafting machine head

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