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HADES - Main page → Ackr → OPR
OPR
| OPR | Office of Primary Responsibility | In English | → Management |
| OPR | Operations Planning Review | In English | → Management |
| OPR | Orbiter Payload Recorder | In English | → Spaceflight engineering, astronautics |
| OPR | Oxygen Pressure Regulator | In English |
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