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- Google Patents
AU131116B2 - Improvements in the manufacture of artificial pumice
- Google Patents
Improvements in the manufacture of artificial pumice
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.)
Active
Application number
AU6791/46A
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.)
George Arthur Roper
Original Assignee
George Arthur Roper
Publication of AU131116B2publicationCriticalpatent/AU131116B2/en