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Priority to JP13814878ApriorityCriticalpatent/JPS5564816A/ja
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Publication of JPS5640613B2publicationCriticalpatent/JPS5640613B2/ja
Rura szczelinowa spiralna do filtrów samooczyszczających się, ciśnieniowych oraz filtr szczelinowy samooczyszczający się ciśnieniowy z taką rurą szczelinową