KR900012976U - Textbook - Google Patents

Textbook

Info

Publication number
KR900012976U
KR900012976U KR2019880021877U KR880021877U KR900012976U KR 900012976 U KR900012976 U KR 900012976U KR 2019880021877 U KR2019880021877 U KR 2019880021877U KR 880021877 U KR880021877 U KR 880021877U KR 900012976 U KR900012976 U KR 900012976U
Authority
KR
South Korea
Prior art keywords
textbook
Prior art date
Application number
KR2019880021877U
Other languages
Korean (ko)
Other versions
KR910000032Y1 (en
Inventor
박충의
Original Assignee
박충의
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 박충의 filed Critical 박충의
Priority to KR2019880021877U priority Critical patent/KR910000032Y1/en
Publication of KR900012976U publication Critical patent/KR900012976U/en
Application granted granted Critical
Publication of KR910000032Y1 publication Critical patent/KR910000032Y1/en

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
    • G09B1/04—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
    • G09B1/06—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 and being attachable to, or mounted on, the support
    • G09B1/10—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 and being attachable to, or mounted on, the support by means of pins and holes
    • 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
    • G09B19/00—Teaching not covered by other main groups of this subclass
KR2019880021877U 1988-12-29 1988-12-29 Teching equipement for understanding of letter KR910000032Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880021877U KR910000032Y1 (en) 1988-12-29 1988-12-29 Teching equipement for understanding of letter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880021877U KR910000032Y1 (en) 1988-12-29 1988-12-29 Teching equipement for understanding of letter

Publications (2)

Publication Number Publication Date
KR900012976U true KR900012976U (en) 1990-07-04
KR910000032Y1 KR910000032Y1 (en) 1991-01-18

Family

ID=19282657

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880021877U KR910000032Y1 (en) 1988-12-29 1988-12-29 Teching equipement for understanding of letter

Country Status (1)

Country Link
KR (1) KR910000032Y1 (en)

Also Published As

Publication number Publication date
KR910000032Y1 (en) 1991-01-18

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
J206 Request for trial to confirm the scope of a patent right
LAPS Lapse due to unpaid annual fee
J121 Written withdrawal of request for trial

Free format text: WITHDRAWAL OF TRIAL FOR CONFIRMATION OF THE SCOPE OF RIGHT_AFFIRMATIVE REQUESTED 19930925

Effective date: 19940228