Patent

Patent:JP59000775 05.01.1984 Ueno Kouji : Slide Rule For Increase In Body Weight At Dialysis Stableperiod
Patent:JP59022116 04.02.1984 Tatezawa Hiroshi : Electric Signal Output Device Of Abacus
Patent:JP59038868 02.03.1984 Nomura Takeshi : Abacus Type Electronic Computer
Patent:JP59053918 28.03.1984 Horikoshi Tatsuo Hitachi (P) Seisakusho Kk : Abacus Provided With Timer
Patent:JP59129199 25.07.1984 Nakamura Yoshinari : Ellipsograph
Patent:JP59153252 01.09.1984 Aoki Yasuhiro : Abacus Type Electronic Computer

Rechnerlexikon