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13 mm filter membrane, 5-6 micron
38mmclosure,38-430threadfinish,forglass
375mlclassicsub-boilingstillcondenserassembly
具砂板层析柱四氟节门砂板G3外径30mm250mm/24#
53mmrecessedclosure
德国VITLAB无柄烧杯，ETFE
500mlPFAvolumetricflaskwiththreadedclosure,classA
PTFEFemalePipeReducer
25mmsinglestagefilterassembly,1/4"x1/4"
表面滤膜
1.5mmPTFEfrit,30micron
