SANS 1465-1
SANS 1465-1 (Steel castings for general engineering applications Part 1: Carbon and low alloy steel castings)· SANS (南アフリカ) · 18 材料
SANS 1465-1 (Steel castings for general engineering applications Part 1: Carbon and low alloy steel castings)· SANS (南アフリカ) · 18 材料