CH27420A - Sprechuhr - Google Patents

Sprechuhr

Info

Publication number
CH27420A
CH27420A CH27420A CH27420DA CH27420A CH 27420 A CH27420 A CH 27420A CH 27420 A CH27420 A CH 27420A CH 27420D A CH27420D A CH 27420DA CH 27420 A CH27420 A CH 27420A
Authority
CH
Switzerland
Prior art keywords
intercom
Prior art date
Application number
CH27420A
Other languages
English (en)
Inventor
K Melkonian Takvor
Original Assignee
K Melkonian Takvor
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 by K Melkonian Takvor filed Critical K Melkonian Takvor
Publication of CH27420A publication Critical patent/CH27420A/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH27420A 1902-08-04 1902-08-04 Sprechuhr CH27420A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH27420T 1902-08-04

Publications (1)

Publication Number Publication Date
CH27420A true CH27420A (de) 1904-01-15

Family

ID=4240572

Family Applications (1)

Application Number Title Priority Date Filing Date
CH27420A CH27420A (de) 1902-08-04 1902-08-04 Sprechuhr

Country Status (1)

Country Link
CH (1) CH27420A (de)

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