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.)
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Kolen & Delhumeau Soc
Original Assignee
Kolen & Delhumeau Soc
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Filing date
Publication date
Application filed by Kolen & Delhumeau SocfiledCriticalKolen & Delhumeau Soc
Application grantedgrantedCritical
Publication of FR544184ApublicationCriticalpatent/FR544184A/fr
Perfectionnements apportés au traitement des pellicules cinématographiques et photographiques usagées et de leurs analogues, pour la récupération de l'argent et de la gélatine
Perfectionnements apportés aux dispositifs amovibles pour alourdir ou tendre des pieces flexibles ou souples, notamment aux pinces pour le traitement des films photographiques