Number | Date | Country | Kind |
---|---|---|---|
1-173088 | Jul 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4535690 | Gestetner et al. | Aug 1985 | |
4766033 | Yoshimura et al. | Aug 1988 | |
4981746 | Matsuo et al. | Jan 1991 |
Number | Date | Country |
---|---|---|
2753038 | Jun 1978 | DEX |
Entry |
---|
Patent Abstracts of Japan, vol. 13, No. 94 (M-804)(3442) Mar. 6, 1989, & JP-A-63 286395 (Toray Ind. Inc.) Nov. 24, 1988, *the whole document*. |