| 摘要 |
1,256,652. Metal forms. LECLANCHE S.A. 28 April, 1970 [1 May, 1969], No. 20269/ 70. Heading E1K. [Also in Division H1] An elastically resilient antimagnetic metallic laminate comprises a layer of a spring bronze that contains 3-15% tin and 97-85% copper, and a layer of an antimagnetic rust proof nickel alloy such as one that contains 60-70% nickel, 25-35% copper and 1-7% iron. The laminate is used as a cover for a cylindrical button-type electric cell. |
