FR734379A - Avertisseur silencieux - Google Patents

Avertisseur silencieux

Info

Publication number
FR734379A
FR734379A FR734379DA FR734379A FR 734379 A FR734379 A FR 734379A FR 734379D A FR734379D A FR 734379DA FR 734379 A FR734379 A FR 734379A
Authority
FR
France
Prior art keywords
silent
horn
silent horn
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
Ernst Grothe
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 FR734379A publication Critical patent/FR734379A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/02—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using only mechanical transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR734379D 1932-03-30 1932-03-30 Avertisseur silencieux Expired FR734379A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR734379T 1932-03-30

Publications (1)

Publication Number Publication Date
FR734379A true FR734379A (fr) 1932-10-21

Family

ID=9128910

Family Applications (1)

Application Number Title Priority Date Filing Date
FR734379D Expired FR734379A (fr) 1932-03-30 1932-03-30 Avertisseur silencieux

Country Status (1)

Country Link
FR (1) FR734379A (fr)

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