Whatman 濾膜 10445830 AS300/3 3頭真空抽濾系統(tǒng),不銹鋼, 500ml, 47/50mm,支撐網(wǎng) 1/盒

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Whatman 濾膜 10445830 AS300/3 3頭真空抽濾系統(tǒng),不銹鋼, 500ml, 47/50mm,支撐網(wǎng) 1/盒 AS300/3 SS VAC3 500ML 1/PK