CH138351A - Machine à calculer. - Google Patents

Machine à calculer.

Info

Publication number
CH138351A
CH138351A CH138351DA CH138351A CH 138351 A CH138351 A CH 138351A CH 138351D A CH138351D A CH 138351DA CH 138351 A CH138351 A CH 138351A
Authority
CH
Switzerland
Prior art keywords
calculator
Prior art date
Application number
Other languages
English (en)
Inventor
Fredrick Friden Carl Mauritz
Original Assignee
Fredrick Friden Carl Mauritz
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 Fredrick Friden Carl Mauritz filed Critical Fredrick Friden Carl Mauritz
Publication of CH138351A publication Critical patent/CH138351A/fr

Links

CH138351D 1928-02-06 1929-02-06 Machine à calculer. CH138351A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US138351XA 1928-02-06 1928-02-06

Publications (1)

Publication Number Publication Date
CH138351A true CH138351A (fr) 1930-02-28

Family

ID=21762014

Family Applications (1)

Application Number Title Priority Date Filing Date
CH138351D CH138351A (fr) 1928-02-06 1929-02-06 Machine à calculer.

Country Status (1)

Country Link
CH (1) CH138351A (fr)

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