PNST 417-2020

Occupational safety standards system. Clothing for protection against heat and flame. Determination of contact heat transmission through protective clothing or constituent materials. Part 2. Test method using contact heat produced by dropping small cylinders

Through type cross pipe connections with a cut ring. Design and basic dimensions

Fibre board. Method for determination of ultimate tensile strength perpendicular to board face

Cathode-ray converter tubes. Measurement and control methods of parameters

Food processing machinery and equipment. Catering attachments for machines having an auxiliary drive hub. Safety and hygiene requirements

System of design documents for construction. Rules for execution of working documents of internal water and sewerage systems