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.)
STILL CARL GmbH
Carl Still GmbH and Co KG
Original Assignee
STILL CARL GmbH
Carl Still GmbH and Co KG
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
Priority claimed from DE1930ST006130external-prioritypatent/DE551335C/de
Priority claimed from DE1930ST008430external-prioritypatent/DE653719C/de
Application filed by STILL CARL GmbH, Carl Still GmbH and Co KGfiledCriticalSTILL CARL GmbH
Application grantedgrantedCritical
Publication of FR712880ApublicationCriticalpatent/FR712880A/fr
Procédé et appareil pour déterminer l'aptitude d'un charbon à être distillé dans des fours par la distillation de petites éprouvettes de charbon