PO
- Kodo
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Signifo
Lingvo
Temoj kaj lokoj
- PO
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Postorbit
- PO
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Power On
- PO
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Power Oscillator
- PO
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Project Office
La mallongigo PO (Project Office) estas inkluzivita en la mallongigoj ACPO (Associate Contractor Project Office), EPO (Element Project Office), GSPO (Ground Systems Project Office), LLPO (Launch and Landing Project Office), MASSPO (Manned Spaceflight Support Project Office), OPO (Orbiter Project Office), RSSPO (Resident Space Shuttle Project Office) kaj SPO (System Project Office).
- PO
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Purchase Order
La mallongigo PO (Purchase Order) estas inkluzivita en la mallongigoj APO (Automated Purchase Order), BPO (Blanket Purchase Order), POC (Purchase Order Closeout), POCN (Purchase Order Change Notice), POR (Purchase Order Request) kaj ICPO (Irrevocable Corporate Purchase Order).
- PO
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Promotion Ouvrière
- PO
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Compagnie du chemin de fer de Paris à Orléans