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CH409972A4 - - Google Patents

Info

Publication number
CH409972A4
CH409972A4 CH409972D CH409972D CH409972A4 CH 409972 A4 CH409972 A4 CH 409972A4 CH 409972 D CH409972 D CH 409972D CH 409972 D CH409972 D CH 409972D CH 409972 A4 CH409972 A4 CH 409972A4
Authority
CH
Switzerland
Application number
CH409972D
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
Publication of CH409972A4 publication Critical patent/CH409972A4/xx

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
    • G04B19/00—Indicating the time by visual means
    • G04B19/04—Hands; Discs with a single mark or the like
    • G04B19/042—Construction and manufacture of the hands; arrangements for increasing reading accuracy
    • 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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
CH409972D 1972-03-20 1972-03-20 CH409972A4 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH409972A CH579791B5 (ja) 1972-03-20 1972-03-20

Publications (1)

Publication Number Publication Date
CH409972A4 true CH409972A4 (ja) 1975-12-31

Family

ID=4269799

Family Applications (2)

Application Number Title Priority Date Filing Date
CH409972A CH579791B5 (ja) 1972-03-20 1972-03-20
CH409972D CH409972A4 (ja) 1972-03-20 1972-03-20

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH409972A CH579791B5 (ja) 1972-03-20 1972-03-20

Country Status (1)

Country Link
CH (2) CH579791B5 (ja)

Also Published As

Publication number Publication date
CH579791B5 (ja) 1976-09-15

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Legal Events

Date Code Title Description
PL Patent ceased