KR870009619U - Doc's Automatic Switch - Google Patents

Doc's Automatic Switch

Info

Publication number
KR870009619U
KR870009619U KR2019850016513U KR850016513U KR870009619U KR 870009619 U KR870009619 U KR 870009619U KR 2019850016513 U KR2019850016513 U KR 2019850016513U KR 850016513 U KR850016513 U KR 850016513U KR 870009619 U KR870009619 U KR 870009619U
Authority
KR
South Korea
Prior art keywords
doc
automatic switch
automatic
switch
Prior art date
Application number
KR2019850016513U
Other languages
Korean (ko)
Other versions
KR890001386Y1 (en
Inventor
유병규
Original Assignee
유병규
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 유병규 filed Critical 유병규
Priority to KR2019850016513U priority Critical patent/KR890001386Y1/en
Publication of KR870009619U publication Critical patent/KR870009619U/en
Application granted granted Critical
Publication of KR890001386Y1 publication Critical patent/KR890001386Y1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/12—Hinged dampers
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/24—Operating or controlling mechanisms

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Air-Flow Control Members (AREA)
  • Special Wing (AREA)
KR2019850016513U 1985-12-10 1985-12-10 Fire damper for air duct KR890001386Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850016513U KR890001386Y1 (en) 1985-12-10 1985-12-10 Fire damper for air duct

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850016513U KR890001386Y1 (en) 1985-12-10 1985-12-10 Fire damper for air duct

Publications (2)

Publication Number Publication Date
KR870009619U true KR870009619U (en) 1987-07-08
KR890001386Y1 KR890001386Y1 (en) 1989-04-05

Family

ID=19247086

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850016513U KR890001386Y1 (en) 1985-12-10 1985-12-10 Fire damper for air duct

Country Status (1)

Country Link
KR (1) KR890001386Y1 (en)

Also Published As

Publication number Publication date
KR890001386Y1 (en) 1989-04-05

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19970404

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee