Number | Date | Country | Kind |
---|---|---|---|
6242/79 | Jul 1979 | CHX | |
6293/79 | Jul 1979 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
4230858 | Gall | Oct 1980 |
Number | Date | Country |
---|---|---|
1807729 | Jun 1970 | DEX |
1067157 | Apr 1976 | DEX |
50-06848 | Mar 1975 | JPX |
51-07025 | Apr 1976 | JPX |
Entry |
---|
Niyaka et al., Khimiya; Technol. Krasheniya, Sinteza Krasitelei i Polymer. Malerialov 1978, 67-72. |