KR870010992U - 단어 암기구의 회동구조 - Google Patents

단어 암기구의 회동구조

Info

Publication number
KR870010992U
KR870010992U KR2019850016128U KR850016128U KR870010992U KR 870010992 U KR870010992 U KR 870010992U KR 2019850016128 U KR2019850016128 U KR 2019850016128U KR 850016128 U KR850016128 U KR 850016128U KR 870010992 U KR870010992 U KR 870010992U
Authority
KR
South Korea
Prior art keywords
rotation structure
cancer mechanism
word
word cancer
rotation
Prior art date
Application number
KR2019850016128U
Other languages
English (en)
Other versions
KR890000144Y1 (ko
Inventor
최철홍
Original Assignee
최철홍
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 최철홍 filed Critical 최철홍
Priority to KR2019850016128U priority Critical patent/KR890000144Y1/ko
Publication of KR870010992U publication Critical patent/KR870010992U/ko
Application granted granted Critical
Publication of KR890000144Y1 publication Critical patent/KR890000144Y1/ko

Links

Classifications

    • 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
    • G09B1/16—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 plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
    • G09B1/24—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 plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being in flexible strip form, e.g. endless bands

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)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
KR2019850016128U 1985-12-04 1985-12-04 단어 암기구의 회동구조 KR890000144Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850016128U KR890000144Y1 (ko) 1985-12-04 1985-12-04 단어 암기구의 회동구조

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850016128U KR890000144Y1 (ko) 1985-12-04 1985-12-04 단어 암기구의 회동구조

Publications (2)

Publication Number Publication Date
KR870010992U true KR870010992U (ko) 1987-07-15
KR890000144Y1 KR890000144Y1 (ko) 1989-03-06

Family

ID=70289204

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850016128U KR890000144Y1 (ko) 1985-12-04 1985-12-04 단어 암기구의 회동구조

Country Status (1)

Country Link
KR (1) KR890000144Y1 (ko)

Also Published As

Publication number Publication date
KR890000144Y1 (ko) 1989-03-06

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee