Number | Date | Country | Kind |
---|---|---|---|
58-33140 | Mar 1983 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2803538 | Zampieri et al. | Aug 1957 | |
3859083 | Kusaka et al. | Jan 1975 | |
3861452 | Massoubre | Aug 1975 | |
3933441 | Massoubre | Apr 1976 | |
4302515 | DeCristofaro et al. | Nov 1981 | |
4441939 | Lemkey et al. | Apr 1984 | |
4444587 | Kelly | Apr 1984 | |
4495691 | Masumoto et al. | Jan 1985 | |
4503085 | Dickson et al. | Mar 1985 |
Number | Date | Country |
---|---|---|
53-57119 | May 1978 | JPX |
78368 | Oct 1979 | JPX |
56-33442 | Apr 1981 | JPX |
Entry |
---|
Japanese Patent Publication No. 3651/1981 (Metall. Trans. A., 1981, vol. 12A, p. 1245). |