FR670546A - Airplane-helicopter - Google Patents

Airplane-helicopter

Info

Publication number
FR670546A
FR670546A FR670546DA FR670546A FR 670546 A FR670546 A FR 670546A FR 670546D A FR670546D A FR 670546DA FR 670546 A FR670546 A FR 670546A
Authority
FR
France
Prior art keywords
helicopter
airplane
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
Edouard-Alfred Perrin
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 FR670546A publication Critical patent/FR670546A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR670546D 1928-06-25 1928-06-25 Airplane-helicopter Expired FR670546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR670546T 1928-06-25

Publications (1)

Publication Number Publication Date
FR670546A true FR670546A (en) 1929-11-29

Family

ID=9016418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR670546D Expired FR670546A (en) 1928-06-25 1928-06-25 Airplane-helicopter

Country Status (1)

Country Link
FR (1) FR670546A (en)

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