H1(KK-E)型/角枠付き 加工図面国土交通省型 H1(KK-E)型 角枠付きH1(KK-E)型600x600H1(KK-E)型600x900(S15+B75)H1(KK-E)型600x900(S45+B45) (関東地区)H1(KK-E)型600x1000H1(KK-E)型600x1200 (関東地区)