CH30204A - Veranschaulichungsmittel zum Bruchrechnen - Google Patents

Veranschaulichungsmittel zum Bruchrechnen

Info

Publication number
CH30204A
CH30204A CH30204A CH30204DA CH30204A CH 30204 A CH30204 A CH 30204A CH 30204 A CH30204 A CH 30204A CH 30204D A CH30204D A CH 30204DA CH 30204 A CH30204 A CH 30204A
Authority
CH
Switzerland
Prior art keywords
illustrative means
fractions
calculating
calculating fractions
illustrative
Prior art date
Application number
CH30204A
Other languages
English (en)
Inventor
Hans Luethi
Original Assignee
Hans Luethi
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 Hans Luethi filed Critical Hans Luethi
Publication of CH30204A publication Critical patent/CH30204A/de

Links

CH30204A 1904-08-27 1904-08-27 Veranschaulichungsmittel zum Bruchrechnen CH30204A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH30204T 1904-08-27

Publications (1)

Publication Number Publication Date
CH30204A true CH30204A (de) 1904-11-30

Family

ID=4246826

Family Applications (1)

Application Number Title Priority Date Filing Date
CH30204A CH30204A (de) 1904-08-27 1904-08-27 Veranschaulichungsmittel zum Bruchrechnen

Country Status (1)

Country Link
CH (1) CH30204A (de)

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