FR986534A - Minuterie d'escalier - Google Patents

Minuterie d'escalier

Info

Publication number
FR986534A
FR986534A FR986534DA FR986534A FR 986534 A FR986534 A FR 986534A FR 986534D A FR986534D A FR 986534DA FR 986534 A FR986534 A FR 986534A
Authority
FR
France
Prior art keywords
staircase
timer
staircase timer
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
Frederic Walther
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 FR986534A publication Critical patent/FR986534A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork
    • G04F3/06—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with electric driving mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR986534D 1949-03-11 1949-03-11 Minuterie d'escalier Expired FR986534A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR986534T 1949-03-11

Publications (1)

Publication Number Publication Date
FR986534A true FR986534A (fr) 1951-08-01

Family

ID=9538138

Family Applications (1)

Application Number Title Priority Date Filing Date
FR986534D Expired FR986534A (fr) 1949-03-11 1949-03-11 Minuterie d'escalier

Country Status (1)

Country Link
FR (1) FR986534A (fr)

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