FR34575E - - Google Patents

Info

Publication number
FR34575E
FR34575E FR34575DA FR34575E FR 34575 E FR34575 E FR 34575E FR 34575D A FR34575D A FR 34575DA FR 34575 E FR34575 E FR 34575E
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR34575E publication Critical patent/FR34575E/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
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/28—Electromagnetic compasses
    • G01C17/30—Earth-inductor compasses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR34575D Expired FR34575E (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR34575E true FR34575E (cg-RX-API-DMAC7.html) 1929-09-16

Family

ID=1362472

Family Applications (1)

Application Number Title Priority Date Filing Date
FR34575D Expired FR34575E (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR34575E (cg-RX-API-DMAC7.html)

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