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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Keramisch Chemische Werke A G
Original Assignee
Keramisch Chemische Werke A G
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Filing date
Publication date
Application filed by Keramisch Chemische Werke A GfiledCriticalKeramisch Chemische Werke A G
Application grantedgrantedCritical
Publication of FR836580ApublicationCriticalpatent/FR836580A/fr