BE428059A - - Google Patents

Info

Publication number
BE428059A
BE428059A BE428059DA BE428059A BE 428059 A BE428059 A BE 428059A BE 428059D A BE428059D A BE 428059DA BE 428059 A BE428059 A BE 428059A
Authority
BE
Belgium
Prior art keywords
ratchet
frame
wheel
axis
fixed
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE428059A publication Critical patent/BE428059A/fr

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/241Arrangement of opening or closing systems for windows and ventilation panels
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)
BE428059D BE428059A (OSRAM)

Publications (1)

Publication Number Publication Date
BE428059A true BE428059A (OSRAM)

Family

ID=88509

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428059D BE428059A (OSRAM)

Country Status (1)

Country Link
BE (1) BE428059A (OSRAM)

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