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ottaa huomioon kolmisuuntaisten-sleeve-tyyppisten tulppaventtiilien asennuksessa ja huollossa? https://fi.dmlvle.com/uploads/44887/small/3way-port-sleeved-plug-valvefab8c.jpg https://fi.dmlvle.com/news/application-of-three-way-sleeved-plug-valves-i-18055133474759680.html Kolmi{0}}tieholkkisten tulppaventtiilien käyttö öljy- ja kaasuteollisuudessa https://fi.dmlvle.com/uploads/44887/small/3way-port-sleeved-plug-valvefab8c.jpg https://fi.dmlvle.com/news/what-is-api-dbb-track-plug-valve-17963403107902464.html Mikä on API DBB Track Plug Valve? https://img01.v15cdn.com/gallery/4x3/215.webp https://fi.dmlvle.com/news/the-principle-and-main-classification-of-doubl-17963403142112256.html Kaksoissuljettujen telatulppaventtiilien periaate ja pääluokitus https://img01.v15cdn.com/gallery/4x3/215.webp https://fi.dmlvle.com/news/what-is-a-double-sealed-track-plug-valve-what-17963403176977408.html Mikä on kaksoissuljettu telatulppaventtiili? 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