FR632550A - - Google Patents

Info

Publication number
FR632550A
FR632550A FR632550DA FR632550A FR 632550 A FR632550 A FR 632550A FR 632550D A FR632550D A FR 632550DA FR 632550 A FR632550 A FR 632550A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR632550A publication Critical patent/FR632550A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/04—Indicating the time of the day
    • G04C21/06—Indicating the time of the day by striking mechanism
    • G04C21/08—Indicating the time of the day by striking mechanism with snail

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR632550D Expired FR632550A (zh)

Publications (1)

Publication Number Publication Date
FR632550A true FR632550A (zh) 1928-01-11

Family

ID=1541635

Family Applications (1)

Application Number Title Priority Date Filing Date
FR632550D Expired FR632550A (zh)

Country Status (1)

Country Link
FR (1) FR632550A (zh)

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