PNST 284-2018
Occupational safety standards system. Respiratory protective devices. Filtering half masks against aerosols with additional protection against vapors and gases. General technical requirements. Test methods. Marking

Standard No.

PNST 284-2018

Published By

GOSTR

Latest

PNST 284-2018

PNST 284-2018 history

• 1970 PNST 284-2018 Occupational safety standards system. Respiratory protective devices. Filtering half masks against aerosols with additional protection against vapors and gases. General technical requirements. Test methods. Marking