FR633853A - Operation of air navigation devices - Google Patents

Operation of air navigation devices

Info

Publication number
FR633853A
FR633853A FR633853DA FR633853A FR 633853 A FR633853 A FR 633853A FR 633853D A FR633853D A FR 633853DA FR 633853 A FR633853 A FR 633853A
Authority
FR
France
Prior art keywords
navigation devices
air navigation
air
devices
navigation
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
French (fr)
Inventor
Karl Reuss
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 FR633853A publication Critical patent/FR633853A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C11/00Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/005Spiral-shaped propellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR633853D 1927-05-04 1927-05-04 Operation of air navigation devices Expired FR633853A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR633853T 1927-05-04

Publications (1)

Publication Number Publication Date
FR633853A true FR633853A (en) 1928-02-06

Family

ID=8993187

Family Applications (1)

Application Number Title Priority Date Filing Date
FR633853D Expired FR633853A (en) 1927-05-04 1927-05-04 Operation of air navigation devices

Country Status (1)

Country Link
FR (1) FR633853A (en)

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