Number | Name | Date | Kind |
---|---|---|---|
1905346 | Dreyfus et al. | Apr 1933 | |
2382188 | Vincent et al. | Aug 1945 | |
3369855 | Hartmark et al. | Feb 1968 |
Number | Date | Country |
---|---|---|
877277 | Dec 1942 | FRX |
918494 | Feb 1947 | FRX |
1119486 | Jun 1956 | FRX |
2103614 | Apr 1972 | FRX |
423709 | May 1967 | CHX |
Entry |
---|
Heid et al., Melliand Textilberichte, vol. 54, pp. 1314 to 1328, (1973). |