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Keyboard–switch database Apple Extended Keyboard II

Brand Apple
Manufacturer Mitsumi
Product Apple Extended Keyboard II
Model M3501
Switches Mitsumi Std Type 2 Alps mount
Mitsumi Std Type 2 Alps mount lock (lock)
Serial number MA1066NT%M0312 (external)
31910301 (internal)
Year (IC) 1990
Year (PCB) 1991
Reference http://kbd.rzw.jp/mitsumi_/apple_m3501_japan/
Notes There appears to be an additional date indication inside the case, suggesting 1990; the case stamp is not simple like with MouseFan’s example!

Created by Daniel on 2015-12-21