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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Verein Chemische & Metallurgische Prod
Original Assignee
Verein Chemische & Metallurgische Prod
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 Verein Chemische & Metallurgische ProdfiledCriticalVerein Chemische & Metallurgische Prod
Application grantedgrantedCritical
Publication of FR670686ApublicationCriticalpatent/FR670686A/en