Number | Date | Country | Kind |
---|---|---|---|
59-144206 | Jul 1984 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4193080 | Koike et al. | Mar 1980 | |
4203158 | Frohman-Bentchkowsky et al. | May 1980 | |
4302766 | Guterman et al. | Nov 1981 | |
4462090 | Iizuka | Jul 1984 | |
4521448 | Sasaki | Jun 1985 |
Number | Date | Country |
---|---|---|
53-89685(A) | Aug 1978 | JPX |
2077492(A) | Dec 1981 | GBX |