FR445979A - Perfectionnements aux montres en nacre, agate et matières similaires - Google Patents

Perfectionnements aux montres en nacre, agate et matières similaires

Info

Publication number
FR445979A
FR445979A FR445979DA FR445979A FR 445979 A FR445979 A FR 445979A FR 445979D A FR445979D A FR 445979DA FR 445979 A FR445979 A FR 445979A
Authority
FR
France
Prior art keywords
agate
watches
pearl
mother
similar materials
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
English (en)
Inventor
Alfred Richert-Laval
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ALFRED RICHERT LAVAL
Original Assignee
ALFRED RICHERT LAVAL
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 ALFRED RICHERT LAVAL filed Critical ALFRED RICHERT LAVAL
Application granted granted Critical
Publication of FR445979A publication Critical patent/FR445979A/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
    • G04B37/00—Cases
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
    • G04B37/225—Non-metallic cases

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR445979D 1912-07-11 1912-07-11 Perfectionnements aux montres en nacre, agate et matières similaires Expired FR445979A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR445979T 1912-07-11

Publications (1)

Publication Number Publication Date
FR445979A true FR445979A (fr) 1912-11-23

Family

ID=1486803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR445979D Expired FR445979A (fr) 1912-07-11 1912-07-11 Perfectionnements aux montres en nacre, agate et matières similaires

Country Status (1)

Country Link
FR (1) FR445979A (fr)

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