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.)
J Et A Pavin De Lafarge
Original Assignee
J Et A Pavin De Lafarge
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Filing date
Publication date
Application filed by J Et A Pavin De LafargefiledCriticalJ Et A Pavin De Lafarge
Priority to ES39039ApriorityCriticalpatent/ES39039A3/en
Publication of ES39039A3publicationCriticalpatent/ES39039A3/en