CH69007A - Lehrmittel für Rechnen - Google Patents

Lehrmittel für Rechnen

Info

Publication number
CH69007A
CH69007A CH69007A CH69007DA CH69007A CH 69007 A CH69007 A CH 69007A CH 69007 A CH69007 A CH 69007A CH 69007D A CH69007D A CH 69007DA CH 69007 A CH69007 A CH 69007A
Authority
CH
Switzerland
Prior art keywords
arithmetic
teaching aids
teaching
aids
Prior art date
Application number
CH69007A
Other languages
English (en)
Inventor
Helene Welfle
Original Assignee
Helene Welfle
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 Helene Welfle filed Critical Helene Welfle
Publication of CH69007A publication Critical patent/CH69007A/de

Links

CH69007A 1914-06-04 1914-06-04 Lehrmittel für Rechnen CH69007A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH69007T 1914-06-04

Publications (1)

Publication Number Publication Date
CH69007A true CH69007A (de) 1915-05-17

Family

ID=4316821

Family Applications (1)

Application Number Title Priority Date Filing Date
CH69007A CH69007A (de) 1914-06-04 1914-06-04 Lehrmittel für Rechnen

Country Status (1)

Country Link
CH (1) CH69007A (de)

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