Number | Date | Country | Kind |
---|---|---|---|
79102545.5 | Jul 1979 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
2471053 | Almquist | Feb 1946 | |
3433832 | Swanson | Mar 1969 |
Number | Date | Country |
---|---|---|
39-17811 | Aug 1964 | JPX |
Entry |
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Tsuchiya, Chem. Abst., 48:11,737b, (1953). |
Vobayashi, Chem. Abst., 61:12084g, (1964). |
Hamaguchi, Chem. Abst., 81:169839p, (1974). |