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PFIB abbr.stresses
polym. перфторизобутилен (Karabas)
 English thesaurus
PFIB abbr.
abbr., avia. pre-flight information bulletin
abbr., el. perfluoroisobutylene
abbr., mil., avia. perfluoroisobutene
abbr., scottish Perfluoroisobutene
abbr., UN, chem. perfluoro-isobutene