FR628803A - Electro-magnetic bell - Google Patents

Electro-magnetic bell

Info

Publication number
FR628803A
FR628803A FR628803DA FR628803A FR 628803 A FR628803 A FR 628803A FR 628803D A FR628803D A FR 628803DA FR 628803 A FR628803 A FR 628803A
Authority
FR
France
Prior art keywords
electro
magnetic bell
bell
magnetic
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
Justin-Etienne Christofleau
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 FR628803A publication Critical patent/FR628803A/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
    • A01G7/00—Botany in general
    • A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
FR628803D 1926-04-26 1926-04-26 Electro-magnetic bell Expired FR628803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR628803T 1926-04-26

Publications (1)

Publication Number Publication Date
FR628803A true FR628803A (en) 1927-10-29

Family

ID=8989941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR628803D Expired FR628803A (en) 1926-04-26 1926-04-26 Electro-magnetic bell

Country Status (1)

Country Link
FR (1) FR628803A (en)

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