Normas ISO

Soil quality -- Determination of organic and total carbon after dry combustion (elementary analysis)

Soil quality -- Determination of carbonate content -- Volumetric method

Fasteners -- Non-electrolytically applied zinc flake coatings

Plain washers for screw and washer assemblies -- Small, normal and large series -- Product grade A

Plain washers for tapping screw and washer assemblies -- Normal and large series -- Product grade A

Drilling screws with tapping screw thread -- Mechanical and functional properties