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 Raoul LeberthonfiledCriticalRaoul Leberthon
Publication of CH71223ApublicationCriticalpatent/CH71223A/fr
G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
G04D3/0061—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components for protecting the mechanism against external influences
G04D3/0064—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components for protecting the mechanism against external influences for cases
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
CH71223A1914-03-301914-03-30Outil pour forger les carrures des boîtes de montres, en vue d'éviter le ballottement des mouvements dans les boîtes
CH71223A
(fr)