Number | Date | Country | Kind |
---|---|---|---|
2-69251 | Mar 1990 | JPX | |
2-88898 | Apr 1990 | JPX | |
2-88899 | Apr 1990 | JPX | |
2-88900 | Apr 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3779141 | Ueda et al. | Dec 1973 | |
4639112 | Nakai et al. | Jan 1987 | |
4705382 | Mukai et al. | Nov 1987 | |
4746947 | Nakai | May 1988 | |
4760418 | Ishizaki et al. | Jul 1988 | |
4809030 | Takagi et al. | Feb 1989 | |
4951080 | Sakamoto et al. | Aug 1990 | |
4965620 | Takagi et al. | Oct 1990 | |
5023647 | Shiomi et al. | Jun 1991 |
Number | Date | Country |
---|---|---|
60-15626 | Jan 1985 | JPX |
62-90633 | Apr 1987 | JPX |
62-169134 | Jul 1987 | JPX |
2067773 | Jul 1981 | GBX |
Entry |
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Patent Abstracts of Japan, vol. 10, No. 183 (P-472) Jun. 26, 1986. |
Patent Abstracts of Japan, vol. 6, No. 41 (P-106) (919) Mar. 13, 1982. |
Patent Abstracts of Japan, vol. 14, No. 286 (P-1064) Jun. 20, 1990. |