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Operator
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Opr, английский
- Эксплуатант, эксплуатационный, в рабочем состоянии
- Operate
- Operation
- Operator
- Overall pressure ratio
- Office of planning and research
- Operate/-ing/-ional/-ive/-or (icao)
- Formerly, office of public records; now known as public records division (prd).
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