Triangular Pyramid – No Closure – Rosette Closure – No Closure C30.10.01.90 Triangular Pyramid – No Closure – Rosette Closure – No Closure C30.10.01.90 Production Team2021-05-18T21:58:43+08:00 ECMA C30.10.01.90 Triangular Pyramid - No Closure - Rosette Closure - No Closure