FIELD: medical engineering. SUBSTANCE: device has body having electrostatic air filter and ultraviolet radiation source with focusing means inside. Filtering material and ultraviolet radiation source are fixed and the focusing means has means for swinging it about an axis running in parallel to radiation source axis providing radiation focused upon on filtering material area given in advance. EFFECT: simplified production method; low production costs. 13 cl, 7 dwg
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Authors
Dates
2003-06-20—Published
1998-04-17—Filed