/ BT50-RAA32-60
/ BT50-RAA32-120
NIKKEN KOSAKUSHO WORKS / BT50-RAA32-120
/ BT50-BKA56-255S
/ BT50-BKA56-240
/ BT50-BSB62-270
NIKKEN KOSAKUSHO WORKS / BT50-BSB62-270
/ BT50-BSB50-210
NIKKEN KOSAKUSHO WORKS / BT50-BSB38-180
NIKKEN KOSAKUSHO WORKS / BT50-BSB50-180
/ BT50-BKA28-165