ES181984Y - EDUCATIONAL DEVICE. - Google Patents
EDUCATIONAL DEVICE.Info
- Publication number
- ES181984Y ES181984Y ES1972181984U ES181984U ES181984Y ES 181984 Y ES181984 Y ES 181984Y ES 1972181984 U ES1972181984 U ES 1972181984U ES 181984 U ES181984 U ES 181984U ES 181984 Y ES181984 Y ES 181984Y
- Authority
- ES
- Spain
- Prior art keywords
- educational device
- educational
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
- G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
- G09B1/04—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Sheet Holders (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9428971A JPS4858923A (en) | 1971-11-22 | 1971-11-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES181984U ES181984U (en) | 1973-05-01 |
ES181984Y true ES181984Y (en) | 1974-02-01 |
Family
ID=14106088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1972181984U Expired ES181984Y (en) | 1971-11-22 | 1972-06-20 | EDUCATIONAL DEVICE. |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS4858923A (en) |
ES (1) | ES181984Y (en) |
GB (1) | GB1393387A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4950198B2 (en) * | 2005-08-08 | 2012-06-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Voltage multiplier circuit with improved power efficiency and equipment provided with such a voltage multiplier circuit |
-
1971
- 1971-11-22 JP JP9428971A patent/JPS4858923A/ja active Pending
-
1972
- 1972-06-15 GB GB2800972A patent/GB1393387A/en not_active Expired
- 1972-06-20 ES ES1972181984U patent/ES181984Y/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1393387A (en) | 1975-05-07 |
ES181984U (en) | 1973-05-01 |
JPS4858923A (en) | 1973-08-18 |
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