Four-Cornered Truncated Pyramid – Reduced Flap Closure – Reduced Flap Closure C20.20.11.11 Four-Cornered Truncated Pyramid – Reduced Flap Closure – Reduced Flap Closure C20.20.11.11 Production Team2021-05-18T21:58:10+08:00 ECMA C20.20.11.11 Four-Cornered Truncated Pyramid - Reduced Flap Closure - Reduced Flap Closure
