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- Google Patents
AU426804B2 - Improvements in or relating to spools for business machines
- Google Patents
Improvements in or relating to spools for business machines
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.)
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.)
Walter Grafton and Son Ltd
Original Assignee
Walter Grafton and Son Ltd
Filing date
Publication date
Application filed by Walter Grafton and Son LtdfiledCriticalWalter Grafton and Son Ltd
Application grantedgrantedCritical
Publication of AU426804B2publicationCriticalpatent/AU426804B2/en
Publication of AU1634170ApublicationCriticalpatent/AU1634170A/en