12.3.1 Manufacturer’s name or trademark; 12.3.2 Identity of code number of extrusion profiles; 12.3.3 Class of compound (Specification D4216) used in profiles;
12.3.1 Manufacturer’s name or trademark;12.3.2 Identity of code number of extrusion profiles;12.3.3 Class of compound (Specification D4216) used inprofiles;