Number | Date | Country | Kind |
---|---|---|---|
3-028232 | Feb 1991 | JPX | |
3-320196 | Dec 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1349544 | Angel | Aug 1920 | |
3307236 | Sirera | Mar 1967 | |
3613563 | Sumskaya et al. | Oct 1971 | |
3872695 | Busek | Mar 1975 | |
4660608 | Arai | Apr 1987 | |
4676902 | Fayoux et al. | Jun 1987 | |
4684466 | Terpstra | Aug 1987 | |
4753089 | Engel | Jun 1988 | |
4844803 | Urech et al. | Jul 1989 | |
4855011 | Legge et al. | Aug 1989 | |
5001911 | Eck et al. | Mar 1991 |
Number | Date | Country |
---|---|---|
0285310 | Dec 1990 | DEX |
0285957 | Dec 1986 | JPX |
7810602 | May 1979 | NLX |
Entry |
---|
"Continuous, Automatic--Operation Hydroextractor" by Kabusiki-Kaisha Sanyu, pp. 1-12, Showa 57th (1982). |