Number | Date | Country | Kind |
---|---|---|---|
1-146141[U] | Dec 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3687130 | McCormack | Aug 1972 | |
4280360 | Kobayashi et al. | Jul 1981 | |
4326412 | Kobayashi et al. | Apr 1982 |
Entry |
---|
Japanese Abstract 1-32120 Feb. 1989 and 1-66518 Mar. 1989. |