FR1164412A - Perfectionnement apporté aux instruments gradués transparents - Google Patents

Perfectionnement apporté aux instruments gradués transparents

Info

Publication number
FR1164412A
FR1164412A FR1164412DA FR1164412A FR 1164412 A FR1164412 A FR 1164412A FR 1164412D A FR1164412D A FR 1164412DA FR 1164412 A FR1164412 A FR 1164412A
Authority
FR
France
Prior art keywords
further development
transparent graduated
instruments
graduated instruments
transparent
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
Lucio-Jean-Henri Nerot
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 FR1164412A publication Critical patent/FR1164412A/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
FR1164412D 1957-01-12 1957-01-12 Perfectionnement apporté aux instruments gradués transparents Expired FR1164412A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1164412T 1957-01-12

Publications (1)

Publication Number Publication Date
FR1164412A true FR1164412A (fr) 1958-10-09

Family

ID=9653998

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1164412D Expired FR1164412A (fr) 1957-01-12 1957-01-12 Perfectionnement apporté aux instruments gradués transparents

Country Status (1)

Country Link
FR (1) FR1164412A (fr)

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