| 摘要 |
1349931 Producing iron or nickel INTERNATIONAL NICKEL Ltd 6 July 1971 [7 July 1970 (2)] 32960/70 and 32961/70 Heading C7D The subject-matter of this invention is similar to that disclosed in Specification 1332901, but the thermal decomposition of iron or nickel carbonyl is performed in the presence of nitrons oxide, N 2 O. |
