ES426389A1 - Perfeccionamientos en invernaderos en forma de tunel. - Google Patents

Perfeccionamientos en invernaderos en forma de tunel.

Info

Publication number
ES426389A1
ES426389A1 ES426389A ES426389A ES426389A1 ES 426389 A1 ES426389 A1 ES 426389A1 ES 426389 A ES426389 A ES 426389A ES 426389 A ES426389 A ES 426389A ES 426389 A1 ES426389 A1 ES 426389A1
Authority
ES
Spain
Prior art keywords
braces
sheets
arches
hand
lines
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
ES426389A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of ES426389A1 publication Critical patent/ES426389A1/es
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
    • A01G13/00—Protection of plants
    • A01G13/20—Protective coverings for plants
    • A01G13/24—Tunnels for covering rows of plants

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Greenhouses (AREA)
  • Protection Of Plants (AREA)
ES426389A 1973-06-01 1974-05-17 Perfeccionamientos en invernaderos en forma de tunel. Expired ES426389A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7320660A FR2231311A1 (en) 1973-06-01 1973-06-01 Tunnel-type greenhouse aeration system - comprises framework of transverse arches with elevatable covering

Publications (1)

Publication Number Publication Date
ES426389A1 true ES426389A1 (es) 1976-11-16

Family

ID=9120617

Family Applications (1)

Application Number Title Priority Date Filing Date
ES426389A Expired ES426389A1 (es) 1973-06-01 1974-05-17 Perfeccionamientos en invernaderos en forma de tunel.

Country Status (2)

Country Link
ES (1) ES426389A1 (https=)
FR (1) FR2231311A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4676032A (en) * 1983-10-28 1987-06-30 Pierre Jutras Inflatable wall structure

Also Published As

Publication number Publication date
FR2231311B1 (https=) 1977-07-29
FR2231311A1 (en) 1974-12-27

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