66191PALL 颇尔GN-6孔径0.45um微生物采样膜
¥8866191PALL 颇尔GN-6孔径0.45um微生物采样膜
¥8860301PALL孔径0.2umPES膜
¥677202PALL PM2.5监测石英滤膜
¥8864679PALL孔径0.8um滤膜
¥6761631PALL颇尔A/E玻璃纤维滤纸
¥6760116美国PALL孔径0.8um滤膜
¥6760177PALL颇尔 Supor聚醚砜过滤膜142mm*0.45um
面议68121*PALL GN-6 过滤膜0.45 µm供过滤分配器
面议7204PALL颇尔 Pallflex石英过滤膜8x10in.Tissuquartz™ Filters
面议7203美国PALL Pallflex过滤膜石英滤膜
面议