Number | Date | Country | Kind |
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5-009527 | Jan 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3734449 | Itou et al. | May 1973 | |
4225109 | Yotsutsuji et al. | Sep 1980 |
Number | Date | Country |
---|---|---|
0437345A2 | Jul 1991 | EPX |
0489335A1 | Jun 1992 | EPX |
1506209 | Dec 1967 | FRX |
2111377 | Jun 1972 | FRX |
533003 | Mar 1973 | CHX |
WO8910829 | Nov 1989 | WOX |
Entry |
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Patent Abstracts of Japan, vol. 4, No. 96, Abstract (M-20) [578] (Jul. 11, 1980); JP-A-55-55839 to Toyoda Chuo Kenkyusho K.K. |
Patent Abstracts of Japan, vol. 10, No. 249, Abstract (M-511) [2305] (Aug. 27, 1986); JP-A-61-79611 to Cuyemura & Co., Ltd. |