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hatsunearu
on Aug 10, 2020
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Electric cooker an easy, efficient way to sanitize...
KN94 is the Korean standard. They made their own because the need for a standard arose because of the dust that comes from China. Not sure what KN95 is.
taejo
on Aug 10, 2020
[–]
K
F
94 is a Korean standard. K
N
95 is a Chinese standard.
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