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Hermes Patentverwertungs GmbH
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Hermes Patentverwertungs GmbH
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Publication of FR870972ApublicationCriticalpatent/FR870972A/fr
H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
FR870972D1938-09-121941-03-19Dispositif de contact pour appareillages d'interruption et de contrôle
ExpiredFR870972A
(fr)