DIN 53350 E:2022-06 Testing of plastics films and coated textile fabrics, manufactured using plastics; determination of stiffness in bending, method according to Ohlsen
1970DIN 53350 E:2022-06 Testing of plastics films and coated textile fabrics, manufactured using plastics; determination of stiffness in bending, method according to Ohlsen
1980DIN 53350:1980 Testing of plastics films and coated textile fabrics, manufactured using plastics; determination of stiffness in bending, method according to Ohlsen