KR970002869U - 숫자 교습구 - Google Patents

숫자 교습구

Info

Publication number
KR970002869U
KR970002869U KR2019950013760U KR19950013760U KR970002869U KR 970002869 U KR970002869 U KR 970002869U KR 2019950013760 U KR2019950013760 U KR 2019950013760U KR 19950013760 U KR19950013760 U KR 19950013760U KR 970002869 U KR970002869 U KR 970002869U
Authority
KR
South Korea
Prior art keywords
numbers
Prior art date
Application number
KR2019950013760U
Other languages
English (en)
Other versions
KR0120558Y1 (ko
Inventor
임충묵
Original Assignee
임충묵
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 임충묵 filed Critical 임충묵
Priority to KR2019950013760U priority Critical patent/KR0120558Y1/ko
Publication of KR970002869U publication Critical patent/KR970002869U/ko
Application granted granted Critical
Publication of KR0120558Y1 publication Critical patent/KR0120558Y1/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
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • 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
    • G09B19/02—Counting; Calculating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
KR2019950013760U 1995-06-17 1995-06-17 숫자 교습구 KR0120558Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019950013760U KR0120558Y1 (ko) 1995-06-17 1995-06-17 숫자 교습구

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019950013760U KR0120558Y1 (ko) 1995-06-17 1995-06-17 숫자 교습구

Publications (2)

Publication Number Publication Date
KR970002869U true KR970002869U (ko) 1997-01-24
KR0120558Y1 KR0120558Y1 (ko) 1998-07-15

Family

ID=19415797

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019950013760U KR0120558Y1 (ko) 1995-06-17 1995-06-17 숫자 교습구

Country Status (1)

Country Link
KR (1) KR0120558Y1 (ko)

Also Published As

Publication number Publication date
KR0120558Y1 (ko) 1998-07-15

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