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ES77750A1 - Aparato perfeccionado de enseñanza. - Google Patents

Aparato perfeccionado de enseñanza.

Info

Publication number
ES77750A1
ES77750A1 ES77750A ES77750A ES77750A1 ES 77750 A1 ES77750 A1 ES 77750A1 ES 77750 A ES77750 A ES 77750A ES 77750 A ES77750 A ES 77750A ES 77750 A1 ES77750 A1 ES 77750A1
Authority
ES
Spain
Prior art keywords
teaching device
improved teaching
improved
teaching
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES77750A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Edmons George Rowland
Original Assignee
Edmons George Rowland
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 Edmons George Rowland filed Critical Edmons George Rowland
Priority to ES77750A priority Critical patent/ES77750A1/es
Publication of ES77750A1 publication Critical patent/ES77750A1/es
Expired legal-status Critical Current

Links

ES77750A 1921-03-31 1921-03-31 Aparato perfeccionado de enseñanza. Expired ES77750A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES77750A ES77750A1 (es) 1921-03-31 1921-03-31 Aparato perfeccionado de enseñanza.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES77750A ES77750A1 (es) 1921-03-31 1921-03-31 Aparato perfeccionado de enseñanza.

Publications (1)

Publication Number Publication Date
ES77750A1 true ES77750A1 (es) 1921-06-01

Family

ID=64247666

Family Applications (1)

Application Number Title Priority Date Filing Date
ES77750A Expired ES77750A1 (es) 1921-03-31 1921-03-31 Aparato perfeccionado de enseñanza.

Country Status (1)

Country Link
ES (1) ES77750A1 (es)

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