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Priority to JP1985196511UpriorityCriticalpatent/JPH034023Y2/ja
Publication of JPS62108946UpublicationCriticalpatent/JPS62108946U/ja
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Publication of JPH034023Y2publicationCriticalpatent/JPH034023Y2/ja
Apparecchio a chiocciola con scanalatura per l'alloggiamento di una guarnizione di tenuta di punta, per la compressione o l'espansione di fluidi.