Printing and office machinery – Typewriter or calculator – Calculator
Patent
1999-01-08
2000-08-08
Davis, Antoine Duval
Printing and office machinery
Typewriter or calculator
Calculator
D10 78, 1801
Patent
active
D04292731
REFERENCES:
patent: D408442 (1999-04-01), Lun
Christiaans Cornelis H.
Lambregts Markus J.
Maree Josephus E. M.
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