Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456 AU489159B2 - Improvements in or relating to froth flotation
- Google Patents
AU489159B2 - Improvements in or relating to froth flotation
- Google Patents
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.)
NATIONAL RESEARCH DEVELOPMENT CORP
Original Assignee
NATIONAL RESEARCH DEVELOPMENT CORP
Filing date
Publication date
Priority claimed from GB1285774Aexternal-prioritypatent/GB1469292A/en
Application filed by NATIONAL RESEARCH DEVELOPMENT CORPfiledCriticalNATIONAL RESEARCH DEVELOPMENT CORP
Application grantedgrantedCritical
Publication of AU489159B2publicationCriticalpatent/AU489159B2/en
Publication of AU7911775ApublicationCriticalpatent/AU7911775A/en