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Merck
Whatman® Protran®硝酸纤维素膜 Circles - BA85, pore size 0.45 μm, diam. 25 mm, pack of 1000 ea

Whatman® Protran®硝酸纤维素膜

Whatman® Protran®硝酸纤维素膜 Circles - BA85, pore size 0.45 μm, diam. 25 mm, pack of 1000 ea