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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Thes K Wellman Co
Original Assignee
Thes K Wellman Co
Filing date
Publication date
Application filed by Thes K Wellman CofiledCriticalThes K Wellman Co
Application grantedgrantedCritical
Publication of AU131898B2publicationCriticalpatent/AU131898B2/en
Publication of AU882446ApublicationCriticalpatent/AU882446A/en