Number | Date | Country | Kind |
---|---|---|---|
2-262100 | Sep 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4125860 | Ishii et al. | Nov 1978 | |
4486870 | Pettigrew et al. | Dec 1984 | |
4833561 | Sunagawa et al. | May 1989 | |
4835378 | Coops | May 1989 | |
4868803 | Sunagawa et al. | Sep 1989 | |
4885732 | Sunagawa et al. | Dec 1989 | |
4924079 | Opheij et al. | May 1990 | |
4929823 | Kato et al. | May 1990 | |
5018804 | Jung et al. | May 1991 | |
5049732 | Nagahama et al. | Sep 1971 |
Number | Date | Country |
---|---|---|
0320276 | Jun 1989 | EPX |
3928931 | Mar 1990 | DEX |
1-151022 | Jun 1989 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 11, No. 208, Jul. 7, 1987. |