FR642875A - - Google Patents

Info

Publication number
FR642875A
FR642875A FR642875DA FR642875A FR 642875 A FR642875 A FR 642875A FR 642875D A FR642875D A FR 642875DA FR 642875 A FR642875 A FR 642875A
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 FR642875A publication Critical patent/FR642875A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR642875D Expired FR642875A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR642875A true FR642875A (cg-RX-API-DMAC7.html) 1928-09-06

Family

ID=1542725

Family Applications (1)

Application Number Title Priority Date Filing Date
FR642875D Expired FR642875A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR642875A (cg-RX-API-DMAC7.html)

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