Number | Date | Country | Kind |
---|---|---|---|
54/120489 | Sep 1979 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3090705 | Miksits | May 1963 | |
3116147 | Uber et al. | Dec 1963 | |
3190789 | Taylor | Jun 1965 | |
3220918 | Shisko | Nov 1965 | |
3253922 | Chu et al. | May 1966 | |
3730830 | Digcoll | May 1973 | |
3746564 | Parsons | Jul 1973 | |
3758376 | Beckner et al. | Sep 1973 | |
4110155 | Minagawa | Aug 1978 |
Number | Date | Country |
---|---|---|
1486729 | Sep 1977 | GBX |
Entry |
---|
Casey, Pulpand Paper, second ed. vol. 11, 1960 pp. 994-995. |