(redirected from Acoustic Processor Technical Refresh)
APTRAssociation for Prevention Teaching and Research (Washington, DC)
APTRAsosiasi Petani Tebu Rakyat (Indonesian: Sugar Cane Farmers Association)
APTRA Place to Remember
APTRAsia Pacific Telecom Research (Hong Kong)
APTRAll Purpose Trunk Roads (UK)
APTRAssociation Professionnelle des Transporteurs Routiers
APTRAcoustic Processor Technical Refresh (US DoD)
APTRAdvanced Pressure Tube Reactor
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