Printing and office machinery – Typewriter or calculator – Calculator
Patent
1986-11-21
1989-09-19
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Calculator
Patent
active
D03035395
REFERENCES:
patent: D257479 (1980-11-01), Carre D10 30
Iida Katsuhiro
Sakaguchi Hiroshi
Takahashi Toshiya
Holtje Nelson C.
Sharp Kabushiki Kaisha
Veynar Caron D.
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