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- Google Patents
AU213197B2 - Improvements ina method of and apparatus forthe calcination of gypsum
- Google Patents
Improvements ina method of and apparatus forthe calcination of gypsum
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.)
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National Gypsum Co
Original Assignee
National Gypsum Co
Filing date
Publication date
Application filed by National Gypsum CofiledCriticalNational Gypsum Co
Application grantedgrantedCritical
Publication of AU213197B2publicationCriticalpatent/AU213197B2/en
Publication of AU2470857ApublicationCriticalpatent/AU2470857A/en