FR560125A - Improvements to greenhouse ventilation processes - Google Patents

Improvements to greenhouse ventilation processes

Info

Publication number
FR560125A
FR560125A FR560125DA FR560125A FR 560125 A FR560125 A FR 560125A FR 560125D A FR560125D A FR 560125DA FR 560125 A FR560125 A FR 560125A
Authority
FR
France
Prior art keywords
greenhouse ventilation
ventilation processes
processes
greenhouse
ventilation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Annet-Antoine Perrier
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 filed Critical
Application granted granted Critical
Publication of FR560125A publication Critical patent/FR560125A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/241—Arrangement of opening or closing systems for windows and ventilation panels
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
FR560125D 1922-12-21 1922-12-21 Improvements to greenhouse ventilation processes Expired FR560125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR560125T 1922-12-21

Publications (1)

Publication Number Publication Date
FR560125A true FR560125A (en) 1923-09-28

Family

ID=8942702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR560125D Expired FR560125A (en) 1922-12-21 1922-12-21 Improvements to greenhouse ventilation processes

Country Status (1)

Country Link
FR (1) FR560125A (en)

Similar Documents

Publication Publication Date Title
FR560125A (en) Improvements to greenhouse ventilation processes
FR557609A (en) Improvements to secateurs
FR686024A (en) Improvement in processes for obtaining plant albumins
FR559834A (en) air purifier
FR548607A (en) Improvements to air filters
FR530248A (en) Improvements to openable arrow hides
FR551890A (en) Improvements to aerators
FR737636A (en) Improvements to air purifiers
FR527658A (en) Improvements to the processes for obtaining soaps
FR578095A (en) Improvements to hexamethylenetetramine production processes
FR564434A (en) Improvements to shut-off valves
FR631639A (en) Improvements to vanadium extraction processes
FR518918A (en) Improvements in enamelling processes
FR628265A (en) Improvements to air purifiers
FR552643A (en) Improvements to air compressors
FR710821A (en) Improvements to identification procedures
FR769678A (en) Improvements to processes for activating electron emitters
FR687208A (en) Improvements to ornamentation processes
FR755504A (en) Improvements to hair "regeneration" processes
FR553122A (en) Improvements to material bleaching processes
FR518675A (en) Improvements to artillery hides
FR560505A (en) Improvements to shut-off valves
FR506595A (en) air purifier
FR713502A (en) Improvements to disinfection processes
FR591773A (en) Improvements to air heaters