BS 4558:1970

Specification for positive pressure, powered dust respirators

Información:

Fecha Anulación:

1994-09-15 /Withdrawn

ICS:

13.340.30 - Respiratory protective devices

Comité:

PH/4

Relación con otras normas BSI:

Reemplazada por: BS EN 143:1991

Keywords:

Breathing apparatus, Battery-powered devices, Safety devices, Design, Air filters, Occupational safety, Dust, Air pollution, Respirators, Marking, Electric cells, Leak tests, Performance, Particulate air pollutants

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