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FR1044648A - Perpetual mechanical calendar refinement - Google Patents

Perpetual mechanical calendar refinement

Info

Publication number
FR1044648A
FR1044648A FR1044648DA FR1044648A FR 1044648 A FR1044648 A FR 1044648A FR 1044648D A FR1044648D A FR 1044648DA FR 1044648 A FR1044648 A FR 1044648A
Authority
FR
France
Prior art keywords
refinement
mechanical calendar
perpetual
perpetual mechanical
calendar
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
French (fr)
Inventor
Pierre-Charles-Etien Delton
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 FR1044648A publication Critical patent/FR1044648A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09D—RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS
    • G09D3/00—Perpetual calendars
    • G09D3/04—Perpetual calendars wherein members bearing the indicia are movably mounted in the calendar

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR1044648D 1951-04-10 1951-04-10 Perpetual mechanical calendar refinement Expired FR1044648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1044648T 1951-04-10

Publications (1)

Publication Number Publication Date
FR1044648A true FR1044648A (en) 1953-11-19

Family

ID=9591244

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1044648D Expired FR1044648A (en) 1951-04-10 1951-04-10 Perpetual mechanical calendar refinement

Country Status (1)

Country Link
FR (1) FR1044648A (en)

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