ES7415Y - Lámina instructiva electrográfica representando una tabla de sumar y multiplicar, combinada con un control luminoso enchúfable al sector de la luz. - Google Patents

Lámina instructiva electrográfica representando una tabla de sumar y multiplicar, combinada con un control luminoso enchúfable al sector de la luz.

Info

Publication number
ES7415Y
ES7415Y ES0007415U ES7415U ES7415Y ES 7415 Y ES7415 Y ES 7415Y ES 0007415 U ES0007415 U ES 0007415U ES 7415 U ES7415 U ES 7415U ES 7415 Y ES7415 Y ES 7415Y
Authority
ES
Spain
Prior art keywords
light
electrographic
instructive
combined
addition
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
ES0007415U
Other languages
English (en)
Other versions
ES7415U (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES0007415U priority Critical patent/ES7415Y/es
Publication of ES7415U publication Critical patent/ES7415U/es
Application granted granted Critical
Publication of ES7415Y publication Critical patent/ES7415Y/es
Expired legal-status Critical Current

Links

ES0007415U 1942-04-23 1942-04-23 Lámina instructiva electrográfica representando una tabla de sumar y multiplicar, combinada con un control luminoso enchúfable al sector de la luz. Expired ES7415Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0007415U ES7415Y (es) 1942-04-23 1942-04-23 Lámina instructiva electrográfica representando una tabla de sumar y multiplicar, combinada con un control luminoso enchúfable al sector de la luz.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0007415U ES7415Y (es) 1942-04-23 1942-04-23 Lámina instructiva electrográfica representando una tabla de sumar y multiplicar, combinada con un control luminoso enchúfable al sector de la luz.

Publications (2)

Publication Number Publication Date
ES7415U ES7415U (es) 1942-12-16
ES7415Y true ES7415Y (es) 1945-09-01

Family

ID=51071901

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0007415U Expired ES7415Y (es) 1942-04-23 1942-04-23 Lámina instructiva electrográfica representando una tabla de sumar y multiplicar, combinada con un control luminoso enchúfable al sector de la luz.

Country Status (1)

Country Link
ES (1) ES7415Y (es)

Also Published As

Publication number Publication date
ES7415U (es) 1942-12-16

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