Number | Date | Country | Kind |
---|---|---|---|
63-118362 | May 1988 | JPX | |
63-203717 | Aug 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4255313 | Antonoplos et al. | Mar 1981 | |
4362826 | Yonezawa et al. | Dec 1982 | |
4621122 | Guilbert et al. | Nov 1986 |
Number | Date | Country |
---|---|---|
107897 | May 1984 | EPX |
Entry |
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Patent Abstracts of Japan, vol. 12, No. 275 (C-516) [3122], Jul. 29, 1988 & JP-A-63191810. |
Patent Abstracts of Japan, vol. 12, No. 472 (C-551) [3319], Dec. 9, 1988, p. 75, C 516 & JP-A-6354435. |