進(jìn)口1050鋼帶 美國(guó)彈簧鋼帶 錳鋼帶 可分條
- ASTM A321-1990 ASTM A499-1999 ASTM A575-1996 ASTM A576-1990 ASTM A663/A 663M-1989 ASTM A675A 675M-2003 ASTM A689-1997 ASTM A695-1990 ASTM A322-1991(2001) ASTM A434-2004 ASTM A739-1990a(2000) ASTM 331-1995 ASTM A696-1990a(2004) ASTM A108-199
- 咨詢熱線:0769-85391691