天气预报15天查询> 生活> 19083-2010标准的口罩有哪些

19083-2010标准的口罩有哪些

更新时间: 2021-11-18 15:03:55     

1、医用防护口罩:符合中国GB 19083-2010 强制性标准。

2、N95口罩:美国NIOSH认证。

3、KN95口罩:符合中国GB 2626强制性标准。三种级别口罩的过滤效率的测试方法一样,均为非油性颗粒物过滤效率大于等于95%。过滤效率级别一致。

关键词: 标准 口罩 哪些

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-94207/ | 耗时:0.1061 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=94207 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=94207 LIMIT 0,1
select * from tbl_Articles_sphinx where id=94207 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1111230,1275232,1063629,988817,1275272,1114404,1129617,1096959,981824,1105920,1076766,1128923,1061410,1096877,1106529,1115241,1103267,1127547,1070366,1050377,1068314,1011371,1073852,1068310,1116683,1092305,1048298,1064403,1125191,1106028) ORDER BY field (ArticleID,1111230,1275232,1063629,988817,1275272,1114404,1129617,1096959,981824,1105920,1076766,1128923,1061410,1096877,1106529,1115241,1103267,1127547,1070366,1050377,1068314,1011371,1073852,1068310,1116683,1092305,1048298,1064403,1125191,1106028)