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.)
Uniroyal Inc
Original Assignee
United States Rubber Co
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 United States Rubber CofiledCriticalUnited States Rubber Co
Application grantedgrantedCritical
Publication of FR1234007ApublicationCriticalpatent/FR1234007A/fr
Procédé de fabrication d'une bague à étages pour roulement, appareil pour la mise en oeuvre de ce procédé, et bague à étages obtenue par ce procédé
Procédé de fabrication d'anthracène, de phénanthrène et corps analogues à haut degré de pureté et appareillages permettant la mise en oeuvre d'un tel procédé