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collecteur de poussière
gen.	dust collector
environ., met.	dust catcher
nat.res.	dust bag; dust catcher (part of furnace, mechanical separation of dust); dust collecting instrument
collecteur de poussières
chem.	dust catcher; dust-collecting equipment; dust separator
coal.	dust collector; dust extractor; dust trap
construct.	dust bunker; dust precipitator; dust-collecting device
met.	dust arrester
nat.res.	dust remover; interceptor

collecteur de poussière: 4 phrases in 3 subjects

Environment	1
Natural resourses and wildlife conservation	1
Nuclear physics	2