原文 :
BS EN 601:2004
Aluminium and aluminium alloys — Castings —
Chemical composition of castings for use in contact with foodstuff
http://www./read.php?tid-14899.html
BS EN 601:2004
Aluminium and aluminium alloys — Castings —
Chemical composition of castings for use in contact with foodstuff
http://www./read.php?tid-14899.html