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.)
COMMERCIALE DES MINES MINERAIS ET METAUX Ste
Original Assignee
COMMERCIALE DES MINES MINERAIS ET METAUX Ste
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 COMMERCIALE DES MINES MINERAIS ET METAUX StefiledCriticalCOMMERCIALE DES MINES MINERAIS ET METAUX Ste
Application grantedgrantedCritical
Publication of FR430159ApublicationCriticalpatent/FR430159A/en