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Individual
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Publication of AU2664857ApublicationCriticalpatent/AU2664857A/en
Publication of AU228401B2publicationCriticalpatent/AU228401B2/en
AU26648/57A1957-03-29New and improved apparatus for lengthening the stroke ofa pump rod relative tothe stroke ofan actuating rod
ExpiredAU228401B2
(en)