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CH147030A - Elicottero con eliche di sostentamento coassiali. - Google Patents

Elicottero con eliche di sostentamento coassiali.

Info

Publication number
CH147030A
CH147030A CH147030DA CH147030A CH 147030 A CH147030 A CH 147030A CH 147030D A CH147030D A CH 147030DA CH 147030 A CH147030 A CH 147030A
Authority
CH
Switzerland
Prior art keywords
helicopter
coaxial propellers
propellers
coaxial
Prior art date
Application number
Other languages
English (en)
Inventor
Trojani Pietro
Original Assignee
Trojani Pietro
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 by Trojani Pietro filed Critical Trojani Pietro
Publication of CH147030A publication Critical patent/CH147030A/it

Links

CH147030D 1929-02-09 1930-02-03 Elicottero con eliche di sostentamento coassiali. CH147030A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT147030X 1929-02-09

Publications (1)

Publication Number Publication Date
CH147030A true CH147030A (it) 1931-05-15

Family

ID=11145346

Family Applications (1)

Application Number Title Priority Date Filing Date
CH147030D CH147030A (it) 1929-02-09 1930-02-03 Elicottero con eliche di sostentamento coassiali.

Country Status (1)

Country Link
CH (1) CH147030A (it)

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