Progressive Extension Plugs are designed to eliminate the installation problems with previous pra
Progressive Extension Plugs are designed to eliminate the installation problems with previous practices of soldering and welding connector plugs to steel pipe nipples. Precision machined taper conforms to industry guidelines to provide a leak-free fit with tapered inlets
工業上常用材料、專業規格、特性、參考資料、化學配方相關數據羅列於本專集中,至今年已收集達16年之經典