FR690478A - Règle idéale graduée intachable - Google Patents

Règle idéale graduée intachable

Info

Publication number
FR690478A
FR690478A FR690478DA FR690478A FR 690478 A FR690478 A FR 690478A FR 690478D A FR690478D A FR 690478DA FR 690478 A FR690478 A FR 690478A
Authority
FR
France
Prior art keywords
perfect
ruler graduated
graduated
ruler
perfect ruler
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
English (en)
Inventor
Edmond-Andre Roge
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 FR690478A publication Critical patent/FR690478A/fr
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
    • B43L7/00—Straightedges
FR690478D 1930-02-24 1930-02-24 Règle idéale graduée intachable Expired FR690478A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR690478T 1930-02-24

Publications (1)

Publication Number Publication Date
FR690478A true FR690478A (fr) 1930-09-20

Family

ID=9029573

Family Applications (1)

Application Number Title Priority Date Filing Date
FR690478D Expired FR690478A (fr) 1930-02-24 1930-02-24 Règle idéale graduée intachable

Country Status (1)

Country Link
FR (1) FR690478A (fr)

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