Number | Name | Date | Kind |
---|---|---|---|
4515853 | Borel | May 1985 | |
4554953 | Borel | Nov 1985 | |
4705601 | Chiu | Nov 1987 | |
4759391 | Waldvogel et al. | Jul 1988 | |
4759976 | Dutt | Jul 1988 | |
5066532 | Gaisser | Nov 1991 |
Entry |
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Pulp & Paper Canada 87:8, Roger Danby, pp. 69-74, (1986). |
Pulp & Paper Canada 90:2, Roger Danby, pp. T45-T50, (1989). |