Number | Name | Date | Kind |
---|---|---|---|
4840870 | Iwagaki et al. | Jun 1989 |
Number | Date | Country |
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191645 | Aug 1986 | EPX |
2580232 | Oct 1986 | FRX |
Entry |
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Patent Abstracts of Japan, vol. 9, No. 264(M-423)(1987); Oct. 22, 1985 JPA-60-110494; Jun. 15, 1985. |
Patent Abstracts of Japan, vol. 11, No. 14 (M-553)(2461); Jan 14, 1987 JPA-61-189,986; Aug. 23, 1986. |