2 4 x 150 July 8, 2019 16 32 64 128 2 1 4 x 150 2 1 4 x 150 paper roll 6 8 2 4 x 15000 1500 x 2 4 X 4 19x 2 150 2 4 x )- 10 =- 150 2 x 150 2 1/2 x4 2 x 1500
