KR950016194U - Opening/closing device of large greenhouse - Google Patents

Opening/closing device of large greenhouse

Info

Publication number
KR950016194U
KR950016194U KR2019940022721U KR19940022721U KR950016194U KR 950016194 U KR950016194 U KR 950016194U KR 2019940022721 U KR2019940022721 U KR 2019940022721U KR 19940022721 U KR19940022721 U KR 19940022721U KR 950016194 U KR950016194 U KR 950016194U
Authority
KR
South Korea
Prior art keywords
opening
closing device
large greenhouse
greenhouse
closing
Prior art date
Application number
KR2019940022721U
Other languages
Korean (ko)
Other versions
KR970002374Y1 (en
Inventor
위계성
Original Assignee
위계성
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 위계성 filed Critical 위계성
Priority to KR2019940022721U priority Critical patent/KR970002374Y1/en
Publication of KR950016194U publication Critical patent/KR950016194U/en
Application granted granted Critical
Publication of KR970002374Y1 publication Critical patent/KR970002374Y1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Greenhouses (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
KR2019940022721U 1993-12-16 1994-09-03 Opening and shutting device in greenhouse KR970002374Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019940022721U KR970002374Y1 (en) 1993-12-16 1994-09-03 Opening and shutting device in greenhouse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019930028107A KR950019718A (en) 1993-12-16 1993-12-16 Measuring method of gas sensor and relative resistance value of gas sensor
KR2019940022721U KR970002374Y1 (en) 1993-12-16 1994-09-03 Opening and shutting device in greenhouse

Publications (2)

Publication Number Publication Date
KR950016194U true KR950016194U (en) 1995-07-20
KR970002374Y1 KR970002374Y1 (en) 1997-03-21

Family

ID=66850471

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019930028107A KR950019718A (en) 1993-12-16 1993-12-16 Measuring method of gas sensor and relative resistance value of gas sensor
KR2019940022721U KR970002374Y1 (en) 1993-12-16 1994-09-03 Opening and shutting device in greenhouse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
KR1019930028107A KR950019718A (en) 1993-12-16 1993-12-16 Measuring method of gas sensor and relative resistance value of gas sensor

Country Status (1)

Country Link
KR (2) KR950019718A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102556893B1 (en) 2021-11-19 2023-07-18 한국전자기술연구원 Optical ionization gas sensor electrode and gas detection divice having the same

Also Published As

Publication number Publication date
KR970002374Y1 (en) 1997-03-21
KR950019718A (en) 1995-07-24

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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