FR576973A - Dispositif de sonnerie de porte - Google Patents

Dispositif de sonnerie de porte

Info

Publication number
FR576973A
FR576973A FR576973DA FR576973A FR 576973 A FR576973 A FR 576973A FR 576973D A FR576973D A FR 576973DA FR 576973 A FR576973 A FR 576973A
Authority
FR
France
Prior art keywords
door bell
bell device
door
bell
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
English (en)
Inventor
Valentin Fleury
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 FR576973A publication Critical patent/FR576973A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems, e.g. audible personal calling systems
    • G08B3/02—Audible signalling systems, e.g. audible personal calling systems using only mechanical transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR576973D 1924-02-08 1924-02-08 Dispositif de sonnerie de porte Expired FR576973A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR576973T 1924-02-08

Publications (1)

Publication Number Publication Date
FR576973A true FR576973A (fr) 1924-08-29

Family

ID=8954405

Family Applications (1)

Application Number Title Priority Date Filing Date
FR576973D Expired FR576973A (fr) 1924-02-08 1924-02-08 Dispositif de sonnerie de porte

Country Status (1)

Country Link
FR (1) FR576973A (fr)

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