B-0003具標(biāo)口砂板 四氟節(jié)門(mén)層析柱Chromatographycolumn16/200/1916/300/1916/450/1922/200/1922/300/2422/450/1930/200/1930/300/1930/450/1940/200/1940/300/1940/450/1940/450/2440/300/2440/200/2430/450/2430/300/2430/200/2422/450/2422/300/1922/200/2416/450/2416/300/2416/200/24