DK7176C - Brøkregnemaskine. - Google Patents

Brøkregnemaskine.

Info

Publication number
DK7176C
DK7176C DK7176DA DK7176C DK 7176 C DK7176 C DK 7176C DK 7176D A DK7176D A DK 7176DA DK 7176 C DK7176 C DK 7176C
Authority
DK
Denmark
Prior art keywords
fraction calculator
calculator
fraction
Prior art date
Application number
Other languages
English (en)
Inventor
Gustav Knappe
Original Assignee
Gustav Knappe
Publication date
Application granted granted Critical
Publication of DK7176C publication Critical patent/DK7176C/da

Links

DK7176D Brøkregnemaskine. DK7176C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK7176T

Publications (1)

Publication Number Publication Date
DK7176C true DK7176C (da) 1904-12-27

Family

ID=27823420

Family Applications (1)

Application Number Title Priority Date Filing Date
DK7176D DK7176C (da) Brøkregnemaskine.

Country Status (1)

Country Link
DK (1) DK7176C (da)

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