FR835752A - Draftsman's equipment for the blind - Google Patents

Draftsman's equipment for the blind

Info

Publication number
FR835752A
FR835752A FR835752DA FR835752A FR 835752 A FR835752 A FR 835752A FR 835752D A FR835752D A FR 835752DA FR 835752 A FR835752 A FR 835752A
Authority
FR
France
Prior art keywords
draftsman
blind
equipment
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
Eugene Desire Leveau
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 FR835752A publication Critical patent/FR835752A/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
    • B43L13/048—Guides for rulers with T-squares
FR835752D 1938-03-26 1938-03-26 Draftsman's equipment for the blind Expired FR835752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR835752T 1938-03-26

Publications (1)

Publication Number Publication Date
FR835752A true FR835752A (en) 1938-12-30

Family

ID=9297761

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835752D Expired FR835752A (en) 1938-03-26 1938-03-26 Draftsman's equipment for the blind

Country Status (1)

Country Link
FR (1) FR835752A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007101A1 (en) * 1978-07-19 1980-01-23 Bayer Ag Process for the preparation of polyalcohols and process for the manufacture of polyurethanes using these polyalcohols

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007101A1 (en) * 1978-07-19 1980-01-23 Bayer Ag Process for the preparation of polyalcohols and process for the manufacture of polyurethanes using these polyalcohols

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