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Die große Enzyklopädie des mechanischen Rechnens
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Germany
Patent:DE281158
Patent:
DE 281158
Title:
Zehnerübertragung für Rechenmaschinen
Date:
04.10.1913
Place:
Charlottenburg
Country:
Germany
Person:
Augustin, Wilhelm
(
P
)
Company:
Internal Links:
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Link to the patent office:
(without guarantee)
DE281158
zu
Patent:DE266311