AU2049729A - Improvements relating to helicopter and aeroplane propellers - Google Patents

Improvements relating to helicopter and aeroplane propellers

Info

Publication number
AU2049729A
AU2049729A AU20497/29A AU2049729A AU2049729A AU 2049729 A AU2049729 A AU 2049729A AU 20497/29 A AU20497/29 A AU 20497/29A AU 2049729 A AU2049729 A AU 2049729A AU 2049729 A AU2049729 A AU 2049729A
Authority
AU
Australia
Prior art keywords
helicopter
improvements relating
aeroplane propellers
aeroplane
propellers
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
AU20497/29A
Inventor
Francis Hollier Hartley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU2049729A publication Critical patent/AU2049729A/en
Expired legal-status Critical Current

Links

AU20497/29A 1929-06-17 Improvements relating to helicopter and aeroplane propellers Expired AU2049729A (en)

Publications (1)

Publication Number Publication Date
AU2049729A true AU2049729A (en) 1930-06-17

Family

ID=

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