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SIF Societe Independante de Telegraphie Sans Fil
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SIF Societe Independante de Telegraphie Sans Fil
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Application filed by SIF Societe Independante de Telegraphie Sans FilfiledCriticalSIF Societe Independante de Telegraphie Sans Fil
Application grantedgrantedCritical
Publication of FR777990ApublicationCriticalpatent/FR777990A/fr
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
F16D71/00—Mechanisms for bringing members to rest in a predetermined position
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR777990D1933-11-251933-11-25Dispositif perfectionné pour immobiliser un arbre dans une position angulaire précise
ExpiredFR777990A
(fr)