KR890008888Y1 - Education material to be changed - Google Patents

Education material to be changed

Info

Publication number
KR890008888Y1
KR890008888Y1 KR8616606U KR860016606U KR890008888Y1 KR 890008888 Y1 KR890008888 Y1 KR 890008888Y1 KR 8616606 U KR8616606 U KR 8616606U KR 860016606 U KR860016606 U KR 860016606U KR 890008888 Y1 KR890008888 Y1 KR 890008888Y1
Authority
KR
South Korea
Prior art keywords
changed
education material
education
Prior art date
Application number
KR8616606U
Other languages
Korean (ko)
Inventor
Yon-Soo Park
Original Assignee
Park Yon Soo
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 Park Yon Soo filed Critical Park Yon Soo
Priority to KR8616606U priority Critical patent/KR890008888Y1/en
Application granted granted Critical
Publication of KR890008888Y1 publication Critical patent/KR890008888Y1/en

Links

KR8616606U 1986-10-29 1986-10-29 Education material to be changed KR890008888Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR8616606U KR890008888Y1 (en) 1986-10-29 1986-10-29 Education material to be changed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR8616606U KR890008888Y1 (en) 1986-10-29 1986-10-29 Education material to be changed

Publications (1)

Publication Number Publication Date
KR890008888Y1 true KR890008888Y1 (en) 1989-12-09

Family

ID=19256614

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8616606U KR890008888Y1 (en) 1986-10-29 1986-10-29 Education material to be changed

Country Status (1)

Country Link
KR (1) KR890008888Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101152717B1 (en) * 2010-09-13 2012-06-15 송미숙 A fraction learning tool and pencil case

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101152717B1 (en) * 2010-09-13 2012-06-15 송미숙 A fraction learning tool and pencil case

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19981208

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee