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FR828143A - Règle-rapporteur - Google Patents

Règle-rapporteur

Info

Publication number
FR828143A
FR828143A FR828143DA FR828143A FR 828143 A FR828143 A FR 828143A FR 828143D A FR828143D A FR 828143DA FR 828143 A FR828143 A FR 828143A
Authority
FR
France
Prior art keywords
protractor
ruler
ruler protractor
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
Touchon
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 FR828143A publication Critical patent/FR828143A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20—Instruments for performing navigational calculations

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
FR828143D 1937-01-23 1937-01-23 Règle-rapporteur Expired FR828143A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR828143T 1937-01-23

Publications (1)

Publication Number Publication Date
FR828143A true FR828143A (fr) 1938-05-11

Family

ID=9283624

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828143D Expired FR828143A (fr) 1937-01-23 1937-01-23 Règle-rapporteur

Country Status (1)

Country Link
FR (1) FR828143A (fr)

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