KR870015245U - 외부확인 투시경 - Google Patents

외부확인 투시경

Info

Publication number
KR870015245U
KR870015245U KR2019860003276U KR860003276U KR870015245U KR 870015245 U KR870015245 U KR 870015245U KR 2019860003276 U KR2019860003276 U KR 2019860003276U KR 860003276 U KR860003276 U KR 860003276U KR 870015245 U KR870015245 U KR 870015245U
Authority
KR
South Korea
Prior art keywords
viewing scope
external viewing
external
scope
viewing
Prior art date
Application number
KR2019860003276U
Other languages
English (en)
Other versions
KR890004852Y1 (ko
Inventor
안철훈
Original Assignee
안철훈
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 안철훈 filed Critical 안철훈
Priority to KR2019860003276U priority Critical patent/KR890004852Y1/ko
Publication of KR870015245U publication Critical patent/KR870015245U/ko
Application granted granted Critical
Publication of KR890004852Y1 publication Critical patent/KR890004852Y1/ko

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/04—Eyepieces; Magnifying glasses affording a wide-angle view, e.g. through a spy-hole
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/30—Peep-holes; Devices for speaking through; Doors having windows

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Optical Elements Other Than Lenses (AREA)
KR2019860003276U 1986-03-19 1986-03-19 외부확인 투시경 KR890004852Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860003276U KR890004852Y1 (ko) 1986-03-19 1986-03-19 외부확인 투시경

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860003276U KR890004852Y1 (ko) 1986-03-19 1986-03-19 외부확인 투시경

Publications (2)

Publication Number Publication Date
KR870015245U true KR870015245U (ko) 1987-10-24
KR890004852Y1 KR890004852Y1 (ko) 1989-07-25

Family

ID=19249661

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860003276U KR890004852Y1 (ko) 1986-03-19 1986-03-19 외부확인 투시경

Country Status (1)

Country Link
KR (1) KR890004852Y1 (ko)

Also Published As

Publication number Publication date
KR890004852Y1 (ko) 1989-07-25

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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: 19950725

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee