Number | Date | Country | Kind |
---|---|---|---|
53190/88[U] | May 1988 | ITX |
Number | Name | Date | Kind |
---|---|---|---|
3692544 | Dendrinos | Sep 1972 | |
4452356 | Dahl | Jun 1984 | |
4705163 | James | Nov 1987 | |
4741452 | Holzkpf | May 1988 | |
4776459 | Boekerman et al. | Oct 1988 |
Number | Date | Country |
---|---|---|
112661 | Jun 1965 | ITX |
Entry |
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European Search Report-Application No. EP 89 83 0166, 1989. |