Number | Name | Date | Kind |
---|---|---|---|
D164153 | Barth | Aug 1951 | |
D200982 | Martinez | Apr 1965 | |
D228207 | Hoehne | Aug 1973 | |
D236544 | Kuypers | Aug 1975 | |
D242448 | Tairraz | Nov 1976 | |
3667839 | Artaud | Jun 1972 |
Entry |
---|
Research Disclosure, vol. 154, No. 15420-pub. Feb. 1977-Microimage Reader. |