DEVICE FOR PROTECTION OF MAN'S RESPIRATORY SYSTEM Russian patent published in 1999 - IPC

Abstract RU 2130790 C1

FIELD: medicine. SUBSTANCE: device is used to protect respiratory system against detrimental effect of gas, dust, and pathogenic bacteria. Device filter is placed in nose. Fastening element intended for fixing on nose is coupled to filter. Device may be provided with tubes coupled to fastening element. At least one of tubes contains filter. EFFECT: reduced size and mass, safety in operation. 5 cl, 6 dwg

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RU 2 130 790 C1

Authors

Khalezov Ju.V.

Dates

1999-05-27—Published

1997-04-15—Filed