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- Google Patents
AU251426B2 - Improvements in scraper rings
- Google Patents
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.)
W S SHAMBAN AND Co
Original Assignee
W S SHAMBAN AND Co
Filing date
Publication date
Application filed by W S SHAMBAN AND CofiledCriticalW S SHAMBAN AND Co
Application grantedgrantedCritical
Publication of AU251426B2publicationCriticalpatent/AU251426B2/en
Publication of AU761361ApublicationCriticalpatent/AU761361A/en