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.)
Raison Sociale Hahn & Cie
Original Assignee
Raison Sociale Hahn & Cie
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 Raison Sociale Hahn & CiefiledCriticalRaison Sociale Hahn & Cie
Application grantedgrantedCritical
Publication of FR325508ApublicationCriticalpatent/FR325508A/fr
Traitement des bitumes et autres substances pour la fabrication de mortiers et bétons destinés aux pavages, routes, constructions hydrauliques, tuyaux et autres analogues