Number | Date | Country | Kind |
---|---|---|---|
52-139139 | Nov 1977 | JPX | |
52-139756 | Nov 1977 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3572288 | Turner | Mar 1971 | |
3926517 | Nagahara | Dec 1975 | |
3970036 | Baer et al. | Jul 1976 | |
4048958 | Nagaguchi et al. | Sep 1977 |
Number | Date | Country |
---|---|---|
2528864 | Jan 1976 | DEX |
Entry |
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Freeman et al; "Magnetic Brush Unit with Magnetic Conveyor", IBM Technical Disclosure Bulletin; vol. 15, No. 4, Sep. 1972, pp. 1251-1252. |
Daniels et al; "Magnetic Conveyor Roll", IBM Technical Disclosure Bulletin; vol. 17, No. 3, Aug. 1974, pp. 675-676. |
Daniels et al; "Magnetic Brush Developer", IBM Technical Disclosure Bulletin; vol. 18, No. 8, Jan. 1976, pp. 2413-2414. |