Number | Name | Date | Kind |
---|---|---|---|
4479947 | Christensen | Oct 1984 | |
4650804 | Kitaura et al. | Mar 1987 | |
4698349 | Kitaura et al. | Oct 1987 |
Number | Date | Country |
---|---|---|
0157346 | Oct 1985 | EPX |
Entry |
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