Referenced by|
| US4522518 | Jul 7, 1983 | Jun 11, 1985 | | Character data input keyboard arrangement having central matrix of keys | | US5314259 | Mar 31, 1992 | May 24, 1994 | Canon Kabushiki Kaisha | Recording apparatus having an improved mechanism for moving the recording section thereof | | US5936556 | Jul 14, 1997 | Aug 10, 1999 | | Keyboard for inputting to computer means |
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