Tanaka® Premium Gas Regulator, with 1-Stage or 2-Stage, Precision type Working Pressure(Inlet : 250kg/cm2, Outlet : 10kg/cm2), 1~8Lit 고급형 레귤레이터 Tanaka® Premium Gas Regulator, with 1-Stage or 2-Stage, Precision type Working Pressure(Inlet : 250kg/cm2, Outlet : 10kg/cm2), 1~8Lit 고급형 레귤레이터 Tanaka® Premium Gas Regulator, with 1-Stage or 2-Stage, Precision type Working Pressure(Inlet : 250kg/cm2, Outlet : 10kg/cm2), 1~8Lit 고급형 레귤레이터