Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1988-03-08
1991-09-24
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Element or attachment
Patent
active
D03202240
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Matsuoka Fumiya
Ohnishi Toshiyuki
Canon Kabushiki Kaisha
Holtje Nelson C.
Veynar Caron D.
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