BSEN124:1994 Special C.I. or D.I. Channel Gratings
“G.Y.”牌BSEN124:1994特鑄生鐵、球鐵梳冷蓋板

“G.Y.”牌BSEN124:1994特鑄生鐵、球鐵梳冷蓋板

“G.Y.”牌BSEN124:1994特鑄生鐵、球鐵梳冷蓋板

“G.Y.”牌BSEN124:1994特鑄生鐵、球鐵梳冷蓋板

“G.Y.”牌BSEN124:1994特鑄生鐵、球鐵梳冷蓋板

“G.Y.”牌BSEN124:1994特鑄生鐵、球鐵梳冷蓋板

“G.Y.”牌BSEN124:1994特鑄生鐵、球鐵梳冷蓋板

“G.Y.”牌BSEN124:1994特鑄生鐵、球鐵梳冷蓋板

“G.Y.”牌BSEN124:1994特鑄生鐵、球鐵梳冷蓋板

“G.Y.”牌BSEN124:1994特鑄生鐵、球鐵梳冷蓋板

“G.Y.”牌BSEN124:1994特鑄生鐵、球鐵梳冷蓋板