AT87389B - Addition calculator. - Google Patents

Addition calculator.

Info

Publication number
AT87389B
AT87389B AT87389DA AT87389B AT 87389 B AT87389 B AT 87389B AT 87389D A AT87389D A AT 87389DA AT 87389 B AT87389 B AT 87389B
Authority
AT
Austria
Prior art keywords
addition calculator
calculator
addition
Prior art date
Application number
Other languages
German (de)
Original Assignee
Optische Anstalt Goerz Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Optische Anstalt Goerz Ag filed Critical Optische Anstalt Goerz Ag
Application granted granted Critical
Publication of AT87389B publication Critical patent/AT87389B/en

Links

AT87389D 1917-09-12 1920-06-15 Addition calculator. AT87389B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE87389X 1917-09-12

Publications (1)

Publication Number Publication Date
AT87389B true AT87389B (en) 1922-02-25

Family

ID=5641706

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87389D AT87389B (en) 1917-09-12 1920-06-15 Addition calculator.

Country Status (1)

Country Link
AT (1) AT87389B (en)

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