| 摘要 |
1,216,157. Copper alloys. HERMANN WANGNER. June. 13, 1969 [June 14, 1968], No. 30088/69. Heading C7A. The warp wires of wire cloth for use in paper making machines are made of an alloy within the following range, Sn 4À0 - 12À0% P 0À1 - 0À7% Mn 0À1 - 2À0% Ni 1À0 - 25À0% Cu the remainder. the alloy may also include one or both of Fe 0À1-1À0% and Si 0À2-0À8%. |
