Iskani niz je bil najden v IZTOČNICAH:
OPAL
Natural and applied sciences
en
Orbiting Picosat Automated Launcher
es
Lanzador Orbital Automático de Picosatélites
,
OPAL
opal
Technology and technical regulations
Iron, steel and other metal industries
fr
opale
opal
da
opal
de
Opal-
el
οπάλιο
es
ópalo
fi
opal-
fr
opale
it
opal
nl
opaal
pt
opala