AU1383447A - Improvements in or relating to apparatus for projecting abrasive material against a surface for cleaning or other purposes
- Google Patents
Improvements in or relating to apparatus for projecting abrasive material against a surface for cleaning or other purposes
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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John Thomas Norris
Original Assignee
John Thomas Norris
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Publication date
Application filed by John Thomas NorrisfiledCriticalJohn Thomas Norris
Application grantedgrantedCritical
Publication of AU136822B2publicationCriticalpatent/AU136822B2/en
Publication of AU1383447ApublicationCriticalpatent/AU1383447A/en
AU13834/47A1947-07-22Improvements in or relating to apparatus for projecting abrasive material against a surface for cleaning or other purposes
ExpiredAU136822B2
(en)