20ul 透明吸头，袋装，低吸附，加长细款 无DNASE/RNASE/蛋白酶/致热源 进口替代款|20ul|Titan/泰坦|1箱（1000个/袋，40袋/箱 20ul 上海玖梧供应链（集团）有限公司

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