FR558352A - Enhancements to crop guards - Google Patents

Enhancements to crop guards

Info

Publication number
FR558352A
FR558352A FR558352DA FR558352A FR 558352 A FR558352 A FR 558352A FR 558352D A FR558352D A FR 558352DA FR 558352 A FR558352 A FR 558352A
Authority
FR
France
Prior art keywords
guards
enhancements
crop
crop guards
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
Jules Bravard
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 FR558352A publication Critical patent/FR558352A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
    • A01M29/16—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves
    • A01M29/20—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves with generation of periodically explosive reports

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Birds (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
FR558352D 1922-11-07 1922-11-07 Enhancements to crop guards Expired FR558352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR558352T 1922-11-07

Publications (1)

Publication Number Publication Date
FR558352A true FR558352A (en) 1923-08-27

Family

ID=8941527

Family Applications (1)

Application Number Title Priority Date Filing Date
FR558352D Expired FR558352A (en) 1922-11-07 1922-11-07 Enhancements to crop guards

Country Status (1)

Country Link
FR (1) FR558352A (en)

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