KR870004241U - 주판 - Google Patents

주판

Info

Publication number
KR870004241U
KR870004241U KR2019850011137U KR850011137U KR870004241U KR 870004241 U KR870004241 U KR 870004241U KR 2019850011137 U KR2019850011137 U KR 2019850011137U KR 850011137 U KR850011137 U KR 850011137U KR 870004241 U KR870004241 U KR 870004241U
Authority
KR
South Korea
Prior art keywords
abacus
Prior art date
Application number
KR2019850011137U
Other languages
English (en)
Other versions
KR910008239Y1 (ko
Inventor
박용산
Original Assignee
박용산
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 박용산 filed Critical 박용산
Priority to KR2019850011137U priority Critical patent/KR910008239Y1/ko
Publication of KR870004241U publication Critical patent/KR870004241U/ko
Application granted granted Critical
Publication of KR910008239Y1 publication Critical patent/KR910008239Y1/ko

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C5/00—Non-functional elements
    • G06C5/02—Housings; Frameworks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C1/00—Computing aids in which the computing members form at least part of the displayed result and are manipulated directly by hand, e.g. abacuses or pocket adding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Toys (AREA)
  • Food-Manufacturing Devices (AREA)
KR2019850011137U 1985-08-30 1985-08-30 주판(珠板) KR910008239Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850011137U KR910008239Y1 (ko) 1985-08-30 1985-08-30 주판(珠板)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850011137U KR910008239Y1 (ko) 1985-08-30 1985-08-30 주판(珠板)

Publications (2)

Publication Number Publication Date
KR870004241U true KR870004241U (ko) 1987-03-31
KR910008239Y1 KR910008239Y1 (ko) 1991-10-15

Family

ID=19245033

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850011137U KR910008239Y1 (ko) 1985-08-30 1985-08-30 주판(珠板)

Country Status (1)

Country Link
KR (1) KR910008239Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015108296A1 (ko) * 2014-01-15 2015-07-23 라성운 주판 구조체

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015108296A1 (ko) * 2014-01-15 2015-07-23 라성운 주판 구조체

Also Published As

Publication number Publication date
KR910008239Y1 (ko) 1991-10-15

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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
NORF Unpaid initial registration fee