a1s2d3f4 发表于 2020-8-5 22:55:31

求 ASTM F2101-19 英文原版

本帖最后由 a1s2d3f4 于 2020-8-7 15:58 编辑

求 ASTM F2101-19 Standard Test Method for Evaluating the Bacterial Filtration Efficiency (BFE) of Medical Face Mask Materials, Using a Biological Aerosol of Staphylococcus aureus
英文原版

lotus999 发表于 2020-8-5 22:55:32

http://bbs.infoeach.com/forum.php?mod=viewthread&tid=239666&extra=

iamknight 发表于 2020-8-6 13:33:46

http://bbs.infoeach.com/forum.php?mod=viewthread&tid=238630&extra=

a1s2d3f4 发表于 2020-8-11 15:25:07

求 ASTM F2101-19 Standard Test Method for Evaluating the Bacterial Filtration Efficiency (BFE) of Medical Face Mask Materials, Using a Biological Aerosol of Staphylococcus aureus

a1s2d3f4 发表于 2020-9-1 15:52:20


求 ASTM F2101-19 Standard Test Method for Evaluating the Bacterial Filtration Efficiency (BFE) of Medical Face Mask Materials, Using a Biological Aerosol of Staphylococcus aureus

草地飞龙 发表于 2020-9-2 12:25:49

如果在下面跟帖直接上传了标准，怎么领悬赏啊？

草地飞龙 发表于 2020-9-2 12:27:58

http://bbs.infoeach.com/thread-235089-1-1.html

a1s2d3f4 发表于 2020-9-4 14:28:00

求 ASTM F2101-19 Standard Test Method for Evaluating the Bacterial Filtration Efficiency (BFE) of Medical Face Mask Materials, Using a Biological Aerosol of Staphylococcus aureus
英文原版

a605396470 发表于 2020-9-5 08:18:54

做任务 冒下泡:lol:lol:lol:lol:lol
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