Number | Date | Country | Kind |
---|---|---|---|
52-82389 | Jul 1977 | JPX | |
52-104720 | Sep 1977 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2464062 | Strain | Mar 1949 | |
3108093 | Pajaczkowski | Oct 1963 | |
3129206 | Pajaczkowski | Apr 1964 |
Number | Date | Country |
---|---|---|
34-10046 | Jan 1959 | JPX |
49-2340 | Jan 1974 | JPX |
49-2341 | Jan 1974 | JPX |
Entry |
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Encyclopedia of Polymer Sci. and Technology 13, p. 167 (1970). |
Encyclopedia of Polymer Sci. and Technology 2, p. 645 (1965). |