CA220884A - Instrument de pointage d'aeronef - Google Patents

Instrument de pointage d'aeronef

Info

Publication number
CA220884A
CA220884A CA220884A CA220884DA CA220884A CA 220884 A CA220884 A CA 220884A CA 220884 A CA220884 A CA 220884A CA 220884D A CA220884D A CA 220884DA CA 220884 A CA220884 A CA 220884A
Authority
CA
Canada
Prior art keywords
sighting instruments
aircraft
aircraft sighting
instruments
sighting
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
CA220884A
Other languages
English (en)
Inventor
H. Boettchwe Arthur
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
Publication date
Application granted granted Critical
Publication of CA220884A publication Critical patent/CA220884A/fr
Expired legal-status Critical Current

Links

CA220884A Instrument de pointage d'aeronef Expired CA220884A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA220884T

Publications (1)

Publication Number Publication Date
CA220884A true CA220884A (fr) 1922-07-18

Family

ID=35116487

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220884A Expired CA220884A (fr) Instrument de pointage d'aeronef

Country Status (1)

Country Link
CA (1) CA220884A (fr)

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