ERDLEngineer Research and Development LaboratoryERDL pattern,roller-slippage during the printing process frequentlyresulted in shadows surrounding the primary shapes. A รูปแบบสีในปี 1948 Light Green shade 354 Dark Green shade 355 Brown shade 356 Black shade 357 รูปแบบสีในปี 1962 British green OG-107 (Olive Green - Shade 107) OG-…