KR930022229U - 회전속도를 변환 시킬수 있는 자전식 지구의 - Google Patents

회전속도를 변환 시킬수 있는 자전식 지구의

Info

Publication number
KR930022229U
KR930022229U KR2019920004962U KR920004962U KR930022229U KR 930022229 U KR930022229 U KR 930022229U KR 2019920004962 U KR2019920004962 U KR 2019920004962U KR 920004962 U KR920004962 U KR 920004962U KR 930022229 U KR930022229 U KR 930022229U
Authority
KR
South Korea
Prior art keywords
change
rotational speed
rotating earth
earth
rotating
Prior art date
Application number
KR2019920004962U
Other languages
English (en)
Other versions
KR930008070Y1 (ko
Inventor
이정완
Original Assignee
장옥희
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 장옥희 filed Critical 장옥희
Priority to KR9204962U priority Critical patent/KR930008070Y1/ko
Publication of KR930022229U publication Critical patent/KR930022229U/ko
Application granted granted Critical
Publication of KR930008070Y1 publication Critical patent/KR930008070Y1/ko

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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
    • G09B27/00—Planetaria; Globes
    • G09B27/08—Globes
    • 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
    • G09B27/00—Planetaria; Globes
    • G09B27/02—Tellurions; Orreries

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Astronomy & Astrophysics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Gear Transmission (AREA)
KR9204962U 1992-03-28 1992-03-28 회전속도를 변환 시킬수 있는 자전식 지구의 KR930008070Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR9204962U KR930008070Y1 (ko) 1992-03-28 1992-03-28 회전속도를 변환 시킬수 있는 자전식 지구의

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR9204962U KR930008070Y1 (ko) 1992-03-28 1992-03-28 회전속도를 변환 시킬수 있는 자전식 지구의

Publications (2)

Publication Number Publication Date
KR930022229U true KR930022229U (ko) 1993-10-16
KR930008070Y1 KR930008070Y1 (ko) 1993-12-08

Family

ID=19330888

Family Applications (1)

Application Number Title Priority Date Filing Date
KR9204962U KR930008070Y1 (ko) 1992-03-28 1992-03-28 회전속도를 변환 시킬수 있는 자전식 지구의

Country Status (1)

Country Link
KR (1) KR930008070Y1 (ko)

Also Published As

Publication number Publication date
KR930008070Y1 (ko) 1993-12-08

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