Number | Date | Country | Kind |
---|---|---|---|
3-211671 | Jul 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4730587 | Norota et al. | Mar 1988 | |
4926823 | Kishi et al. | May 1990 | |
4938187 | Seki | Jul 1990 | |
4938188 | Seki et al. | Jul 1990 | |
5022357 | Kawamura | Jun 1991 |
Entry |
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Patent Abstracts of Japan, vol. 009, No. 272, Group M425, published Oct. 1985 (abstract of JP60116834). |