ES255228U - Libro infantil didactico,aplicado a operaciones aritmeticas - Google Patents

Libro infantil didactico,aplicado a operaciones aritmeticas

Info

Publication number
ES255228U
ES255228U ES1980255228U ES255228U ES255228U ES 255228 U ES255228 U ES 255228U ES 1980255228 U ES1980255228 U ES 1980255228U ES 255228 U ES255228 U ES 255228U ES 255228 U ES255228 U ES 255228U
Authority
ES
Spain
Prior art keywords
didactic
children
book
translation
machine
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.)
Granted
Application number
ES1980255228U
Other languages
English (en)
Other versions
ES255228Y (es
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.)
ZIP EDITORA SA
Original Assignee
ZIP EDITORA SA
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 ZIP EDITORA SA filed Critical ZIP EDITORA SA
Priority to ES1980255228U priority Critical patent/ES255228Y/es
Publication of ES255228U publication Critical patent/ES255228U/es
Application granted granted Critical
Publication of ES255228Y publication Critical patent/ES255228Y/es
Expired legal-status Critical Current

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Abstract

Libro infantil didáctico, aplicado a operaciones aritméticas, caracterizado esencialmente porque en su portada van impresos uno de los dígitos de la operación, el signo de ésta y el signo igual combinados adecuadamente alrededor de una ventana por donde van asomando los otros dos, dígitos de la operación que están a su vez impresos en forma seriada en una tira que se desplaza tras dicha ventana por el puente entre cortes determinantes de la misma, disponiendo tal tira de unos ensanchamientos extremos interiores para tope de salida en el citado puente.
ES1980255228U 1980-12-23 1980-12-23 Libro infantil didactico,aplicado a operaciones aritmeticas Expired ES255228Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1980255228U ES255228Y (es) 1980-12-23 1980-12-23 Libro infantil didactico,aplicado a operaciones aritmeticas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1980255228U ES255228Y (es) 1980-12-23 1980-12-23 Libro infantil didactico,aplicado a operaciones aritmeticas

Publications (2)

Publication Number Publication Date
ES255228U true ES255228U (es) 1981-05-01
ES255228Y ES255228Y (es) 1981-11-16

Family

ID=8412409

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1980255228U Expired ES255228Y (es) 1980-12-23 1980-12-23 Libro infantil didactico,aplicado a operaciones aritmeticas

Country Status (1)

Country Link
ES (1) ES255228Y (es)

Also Published As

Publication number Publication date
ES255228Y (es) 1981-11-16

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