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- Google Patents
AU135069B2 - Improvements in cavity walls for buildings and the like
- Google Patents
Improvements in cavity walls for buildings and the like
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
AU1721/46A
Publication of AU135069B2publicationCriticalpatent/AU135069B2/en
Equipment for cutting a hole or cavity formation in a curved or flat wall element and for cutting out a disc-shaped piece of material fitting the hole or cavity formation