Occupational safety standards system. Respiratory protective devices - Half masks without inhalation valves and with separable filters to protect against gases or gases and particles or particles only. Requirements. Testing. Marking
Rectangular iron all-cast moulding boxes having inside dimensions: length from 2400 to 3000 mm, width from 1600 to 2000 mm, height from 300 to 400 mm. Construction and dimensions
