KR900003503U - 출입문 신호기 - Google Patents

출입문 신호기

Info

Publication number
KR900003503U
KR900003503U KR2019880011186U KR880011186U KR900003503U KR 900003503 U KR900003503 U KR 900003503U KR 2019880011186 U KR2019880011186 U KR 2019880011186U KR 880011186 U KR880011186 U KR 880011186U KR 900003503 U KR900003503 U KR 900003503U
Authority
KR
South Korea
Prior art keywords
door signal
door
signal
Prior art date
Application number
KR2019880011186U
Other languages
English (en)
Other versions
KR910004659Y1 (ko
Inventor
백의종
Original Assignee
백의종
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 백의종 filed Critical 백의종
Priority to KR2019880011186U priority Critical patent/KR910004659Y1/ko
Publication of KR900003503U publication Critical patent/KR900003503U/ko
Application granted granted Critical
Publication of KR910004659Y1 publication Critical patent/KR910004659Y1/ko

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/02—Audible signalling systems; Audible personal calling systems using only mechanical transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)
KR2019880011186U 1988-07-09 1988-07-09 출입문 신호기 KR910004659Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880011186U KR910004659Y1 (ko) 1988-07-09 1988-07-09 출입문 신호기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880011186U KR910004659Y1 (ko) 1988-07-09 1988-07-09 출입문 신호기

Publications (2)

Publication Number Publication Date
KR900003503U true KR900003503U (ko) 1990-02-07
KR910004659Y1 KR910004659Y1 (ko) 1991-07-01

Family

ID=19277332

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880011186U KR910004659Y1 (ko) 1988-07-09 1988-07-09 출입문 신호기

Country Status (1)

Country Link
KR (1) KR910004659Y1 (ko)

Also Published As

Publication number Publication date
KR910004659Y1 (ko) 1991-07-01

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee