KR890003140U - 기어를 이용환 환기 장치 - Google Patents
기어를 이용환 환기 장치Info
- Publication number
- KR890003140U KR890003140U KR2019870012377U KR870012377U KR890003140U KR 890003140 U KR890003140 U KR 890003140U KR 2019870012377 U KR2019870012377 U KR 2019870012377U KR 870012377 U KR870012377 U KR 870012377U KR 890003140 U KR890003140 U KR 890003140U
- Authority
- KR
- South Korea
- Prior art keywords
- ventilation system
- gear ventilation
- gear
- ventilation
- Prior art date
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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870012377U KR910008400Y1 (ko) | 1987-07-29 | 1987-07-29 | 기어를 이용환 환기 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870012377U KR910008400Y1 (ko) | 1987-07-29 | 1987-07-29 | 기어를 이용환 환기 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890003140U true KR890003140U (ko) | 1989-04-12 |
KR910008400Y1 KR910008400Y1 (ko) | 1991-10-18 |
Family
ID=19265767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019870012377U KR910008400Y1 (ko) | 1987-07-29 | 1987-07-29 | 기어를 이용환 환기 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910008400Y1 (ko) |
-
1987
- 1987-07-29 KR KR2019870012377U patent/KR910008400Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR910008400Y1 (ko) | 1991-10-18 |
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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 | ||
LAPS | Lapse due to unpaid annual fee |