KR860005169U - 교재용 돋보기 - Google Patents

교재용 돋보기

Info

Publication number
KR860005169U
KR860005169U KR2019840009852U KR840009852U KR860005169U KR 860005169 U KR860005169 U KR 860005169U KR 2019840009852 U KR2019840009852 U KR 2019840009852U KR 840009852 U KR840009852 U KR 840009852U KR 860005169 U KR860005169 U KR 860005169U
Authority
KR
South Korea
Prior art keywords
textbooks
magnifying glass
magnifying
glass
Prior art date
Application number
KR2019840009852U
Other languages
English (en)
Other versions
KR870000504Y1 (ko
Inventor
진명선
Original Assignee
진명선
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 진명선 filed Critical 진명선
Priority to KR2019840009852U priority Critical patent/KR870000504Y1/ko
Publication of KR860005169U publication Critical patent/KR860005169U/ko
Application granted granted Critical
Publication of KR870000504Y1 publication Critical patent/KR870000504Y1/ko

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/002—Magnifying glasses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
KR2019840009852U 1984-10-08 1984-10-08 교재용 돋보기 KR870000504Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019840009852U KR870000504Y1 (ko) 1984-10-08 1984-10-08 교재용 돋보기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019840009852U KR870000504Y1 (ko) 1984-10-08 1984-10-08 교재용 돋보기

Publications (2)

Publication Number Publication Date
KR860005169U true KR860005169U (ko) 1986-05-10
KR870000504Y1 KR870000504Y1 (ko) 1987-02-16

Family

ID=70162544

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019840009852U KR870000504Y1 (ko) 1984-10-08 1984-10-08 교재용 돋보기

Country Status (1)

Country Link
KR (1) KR870000504Y1 (ko)

Also Published As

Publication number Publication date
KR870000504Y1 (ko) 1987-02-16

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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: 19910131

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee