::: " WITEG" : Ultra-high Vacuum Needle Valves “SVT”, ＜10-9, with V4A steel Valve-bellow & Viton O-ring, :::

" SCHOTT-DURAN" : Stopcocks, Single way / Straight, DURAN™ 일방 코크, Glass- & PTFE-plug, ISO/DIN " SCHOTT-DURAN" : Stopcocks, Two-way, Double bore, DURAN™ 이방(더블)코크, Glass & PTFE-plug, ISO/DIN " SCHOTT-DURAN" : Stopcocks, 3-way T-bore, DURAN™ 3방 코크, Glass- & PTFE-plug, ISO/DIN " SCHOTT-DURAN" : Universal Stopcocks, “GU” PTFE Needle-valve, DURAN™ 다용도 Teflon 니들밸브/콕크 “GU” " SCHOTT-DURAN" : High Vacuum Stopcocks PRODURAN™, PTFE needle valve, DURAN™ 고진공 Teflon 니들밸브 / 콕크 PR " WITEG" : High Vacuum Stopcocks, Glass Hollow ST-plug, SCHIFF™ 고진공 글라스 콕크, DIN/SIO " WITEG" : Ultra-high Vacuum Needle Valves “SVT”, ＜10-9, with V4A steel Valve-bellow & Viton O-ring, " DAIHAN" : Economy Cork Borers, 기본형 콜크보러, Stainless steel 재질, 경제형 " DAIHAN" : Cork Ring Support for Round bottom article, 콜크 링 써포트, 둥근바닥 기물용