CH74028A - Calculation box - Google Patents

Calculation box

Info

Publication number
CH74028A
CH74028A CH74028A CH74028DA CH74028A CH 74028 A CH74028 A CH 74028A CH 74028 A CH74028 A CH 74028A CH 74028D A CH74028D A CH 74028DA CH 74028 A CH74028 A CH 74028A
Authority
CH
Switzerland
Prior art keywords
calculation box
calculation
box
Prior art date
Application number
CH74028A
Other languages
German (de)
Inventor
Ferdinand Heller
Original Assignee
Ferdinand Heller
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 Ferdinand Heller filed Critical Ferdinand Heller
Publication of CH74028A publication Critical patent/CH74028A/en

Links

CH74028A 1916-10-02 1916-10-02 Calculation box CH74028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH74028T 1916-10-02

Publications (1)

Publication Number Publication Date
CH74028A true CH74028A (en) 1917-01-02

Family

ID=4324577

Family Applications (1)

Application Number Title Priority Date Filing Date
CH74028A CH74028A (en) 1916-10-02 1916-10-02 Calculation box

Country Status (1)

Country Link
CH (1) CH74028A (en)

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