Methods of testing plastics. Dimensional properties, Determination of density and relative density of non-cellular plastics, Methods 620A to 620D:Determination of density and relative density of non-cellular plastics— 16 стр.
Methods of testing plastics. Dimensional properties, Determination of density and relative density of non-cellular plastics, Methods 620A to 620D:Determination of density and relative density of non-cellular plastics— 16 стр.