ES10908Y - System of superimposed discs comprising the tables of addition, subtraction, multiplication and division. - Google Patents

System of superimposed discs comprising the tables of addition, subtraction, multiplication and division.

Info

Publication number
ES10908Y
ES10908Y ES0010908U ES10908U ES10908Y ES 10908 Y ES10908 Y ES 10908Y ES 0010908 U ES0010908 U ES 0010908U ES 10908 U ES10908 U ES 10908U ES 10908 Y ES10908 Y ES 10908Y
Authority
ES
Spain
Prior art keywords
subtraction
multiplication
tables
division
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
ES0010908U
Other languages
Spanish (es)
Other versions
ES10908U (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.)
TAPIA GARNICA PIO
Original Assignee
TAPIA GARNICA PIO
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 TAPIA GARNICA PIO filed Critical TAPIA GARNICA PIO
Priority to ES0010908U priority Critical patent/ES10908Y/en
Publication of ES10908U publication Critical patent/ES10908U/en
Application granted granted Critical
Publication of ES10908Y publication Critical patent/ES10908Y/en
Expired legal-status Critical Current

Links

ES0010908U 1944-11-17 1944-11-17 System of superimposed discs comprising the tables of addition, subtraction, multiplication and division. Expired ES10908Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0010908U ES10908Y (en) 1944-11-17 1944-11-17 System of superimposed discs comprising the tables of addition, subtraction, multiplication and division.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0010908U ES10908Y (en) 1944-11-17 1944-11-17 System of superimposed discs comprising the tables of addition, subtraction, multiplication and division.

Publications (2)

Publication Number Publication Date
ES10908U ES10908U (en) 1945-02-01
ES10908Y true ES10908Y (en) 1945-11-16

Family

ID=51075067

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0010908U Expired ES10908Y (en) 1944-11-17 1944-11-17 System of superimposed discs comprising the tables of addition, subtraction, multiplication and division.

Country Status (1)

Country Link
ES (1) ES10908Y (en)

Also Published As

Publication number Publication date
ES10908U (en) 1945-02-01

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