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Kühlfalle f
gen.	cold trap; condensation trap; cooling trap; low-temperature trap
chem.	trapping tube; cryogenic trap
el.	refrigerated trap
environ., chem.	freeze trap
hi.energ.	cold trap (in a vacuum system)
meas.inst.	buffle
phys.	vapor trap
refrig.	cryotrap
tech., nucl.phys.	cold traps

Kühlfalle: 2 phrases in 2 subjects

Chemistry	1
Nuclear physics	1