KR890009178U - 통기덕트 - Google Patents

통기덕트

Info

Publication number
KR890009178U
KR890009178U KR2019870017576U KR870017576U KR890009178U KR 890009178 U KR890009178 U KR 890009178U KR 2019870017576 U KR2019870017576 U KR 2019870017576U KR 870017576 U KR870017576 U KR 870017576U KR 890009178 U KR890009178 U KR 890009178U
Authority
KR
South Korea
Prior art keywords
aeration duct
aeration
duct
Prior art date
Application number
KR2019870017576U
Other languages
English (en)
Other versions
KR900002698Y1 (ko
Inventor
이성우
Original Assignee
이성우
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 이성우 filed Critical 이성우
Priority to KR2019870017576U priority Critical patent/KR900002698Y1/ko
Publication of KR890009178U publication Critical patent/KR890009178U/ko
Application granted granted Critical
Publication of KR900002698Y1 publication Critical patent/KR900002698Y1/ko

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0245—Manufacturing or assembly of air ducts; Methods therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/30—Details or features not otherwise provided for comprising fireproof material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
KR2019870017576U 1987-10-15 1987-10-15 통기덕트 KR900002698Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870017576U KR900002698Y1 (ko) 1987-10-15 1987-10-15 통기덕트

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870017576U KR900002698Y1 (ko) 1987-10-15 1987-10-15 통기덕트

Publications (2)

Publication Number Publication Date
KR890009178U true KR890009178U (ko) 1989-05-30
KR900002698Y1 KR900002698Y1 (ko) 1990-03-31

Family

ID=19268647

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870017576U KR900002698Y1 (ko) 1987-10-15 1987-10-15 통기덕트

Country Status (1)

Country Link
KR (1) KR900002698Y1 (ko)

Also Published As

Publication number Publication date
KR900002698Y1 (ko) 1990-03-31

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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: 20020329

Year of fee payment: 13

EXPY Expiration of term