Number | Date | Country | Kind |
---|---|---|---|
2950769 | Dec 1979 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
RE28586 | Saito et al. | Oct 1975 | |
4080059 | Tani et al. | Mar 1978 | |
4165172 | Okamoto et al. | Aug 1979 |
Entry |
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Riyouji Katou, Cleaning Device for Zerography, Abstract of published Japanese Application No. 54-116928, Mar. 2, 1978. |