FR914554A - Appareil compte-fils lumineux - Google Patents

Appareil compte-fils lumineux

Info

Publication number
FR914554A
FR914554A FR914554DA FR914554A FR 914554 A FR914554 A FR 914554A FR 914554D A FR914554D A FR 914554DA FR 914554 A FR914554 A FR 914554A
Authority
FR
France
Prior art keywords
illuminated
thread counter
counter
thread
illuminated thread
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
Paul Leclerc
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 FR914554A publication Critical patent/FR914554A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR914554D 1942-10-31 1945-09-17 Appareil compte-fils lumineux Expired FR914554A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE914554X 1942-10-31

Publications (1)

Publication Number Publication Date
FR914554A true FR914554A (fr) 1946-10-11

Family

ID=3885987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR914554D Expired FR914554A (fr) 1942-10-31 1945-09-17 Appareil compte-fils lumineux

Country Status (1)

Country Link
FR (1) FR914554A (fr)

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