IS 318

IS 318 (加铅锡青铜铸锭和铸件规范)· IS (印度) · 6 种材料

名称	材料组别
Grade LTB 1	铜	chevron_right
Grade LTB 2	铜	chevron_right
Grade LTB 3	铜	chevron_right
Grade LTB 4	铜	chevron_right
Grade LTB 5	铜	chevron_right
Grade LTB 6	铜	chevron_right