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- Google Patents
AU496388B2 - Method and apparatus for forming corrugated pipe
- 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.)
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Individual
Original Assignee
Individual
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Publication date
Priority claimed from US05/555,918external-prioritypatent/US3940965A/en
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of AU8191175ApublicationCriticalpatent/AU8191175A/en
Publication of AU496388B2publicationCriticalpatent/AU496388B2/en