| Acronym | Sense | Language | Topics |
|---|---|---|---|
| ApAc | Applied Acoustics | In English | → Serial publications, periodicals → Acoustics → Acoustical engineering |
| APAC | Attaché Principal d'Administration Centrale | In French | → Central administration |
| APAC | Association Pour l'Assurance Confédérale | In French | → Associations → Insurance |
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