ES23420Y - Reglillas para cálculo abreviado. - Google Patents

Reglillas para cálculo abreviado.

Info

Publication number
ES23420Y
ES23420Y ES0023420U ES23420U ES23420Y ES 23420 Y ES23420 Y ES 23420Y ES 0023420 U ES0023420 U ES 0023420U ES 23420 U ES23420 U ES 23420U ES 23420 Y ES23420 Y ES 23420Y
Authority
ES
Spain
Prior art keywords
rules
abbreviated
calculation
abbreviated calculation
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
ES0023420U
Other languages
English (en)
Other versions
ES23420U (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.)
MENENDEZ MENENDEZ MIGUEL
Original Assignee
MENENDEZ MENENDEZ MIGUEL
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 MENENDEZ MENENDEZ MIGUEL filed Critical MENENDEZ MENENDEZ MIGUEL
Priority to ES0023420U priority Critical patent/ES23420Y/es
Publication of ES23420U publication Critical patent/ES23420U/es
Application granted granted Critical
Publication of ES23420Y publication Critical patent/ES23420Y/es
Expired legal-status Critical Current

Links

ES0023420U 1950-03-13 1950-03-13 Reglillas para cálculo abreviado. Expired ES23420Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0023420U ES23420Y (es) 1950-03-13 1950-03-13 Reglillas para cálculo abreviado.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0023420U ES23420Y (es) 1950-03-13 1950-03-13 Reglillas para cálculo abreviado.

Publications (2)

Publication Number Publication Date
ES23420U ES23420U (es) 1950-07-01
ES23420Y true ES23420Y (es) 1950-11-01

Family

ID=51087210

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0023420U Expired ES23420Y (es) 1950-03-13 1950-03-13 Reglillas para cálculo abreviado.

Country Status (1)

Country Link
ES (1) ES23420Y (es)

Also Published As

Publication number Publication date
ES23420U (es) 1950-07-01

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