160′

Jun 20, 2018

galvanized per ASTM Standard Self-Penyokong Tower 160′

Menurut ANSI / EIA-222-F 1996 90 mph / 78 mph + 1/2″ ais radial w / (3 tiupan kedua) per OBC AND 旧C CaAa Rat Plate Area Weight Elevation No [...]