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.)
Francher Des Silicates Speciaux Sierance Ste
Original Assignee
Francher Des Silicates Speciaux Sierance 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
Priority claimed from FR7419931Aexternal-prioritypatent/FR2273761A1/en
Application filed by Francher Des Silicates Speciaux Sierance StefiledCriticalFrancher Des Silicates Speciaux Sierance Ste
Application grantedgrantedCritical
Publication of AU488870B2publicationCriticalpatent/AU488870B2/en
Publication of AU8193875ApublicationCriticalpatent/AU8193875A/en