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.)
Expired
Application number
CA852116A
Inventor
C. Hamm Philippus
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.)
SOUTH AFRICAN BRICK ASSOCIATION Ltd
Original Assignee
SOUTH AFRICAN BRICK ASSOCIATION Ltd
Publication date
Application grantedgrantedCritical
Publication of CA852116ApublicationCriticalpatent/CA852116A/en