CN103271465A - 防pm2.5颗粒污染口罩 - Google Patents
防pm2.5颗粒污染口罩 Download PDFInfo
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- CN103271465A CN103271465A CN2013102356088A CN201310235608A CN103271465A CN 103271465 A CN103271465 A CN 103271465A CN 2013102356088 A CN2013102356088 A CN 2013102356088A CN 201310235608 A CN201310235608 A CN 201310235608A CN 103271465 A CN103271465 A CN 103271465A
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Priority Applications (1)
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CN201310235608.8A CN103271465B (zh) | 2013-06-15 | 2013-06-15 | 防pm2.5颗粒污染口罩 |
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CN201310235608.8A CN103271465B (zh) | 2013-06-15 | 2013-06-15 | 防pm2.5颗粒污染口罩 |
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CN103271465A true CN103271465A (zh) | 2013-09-04 |
CN103271465B CN103271465B (zh) | 2014-12-03 |
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CN201310235608.8A Active CN103271465B (zh) | 2013-06-15 | 2013-06-15 | 防pm2.5颗粒污染口罩 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103876353A (zh) * | 2014-02-13 | 2014-06-25 | 杨家元 | 一种具有聚焦呼吸选择性过滤的口罩 |
CN105310141A (zh) * | 2014-05-29 | 2016-02-10 | 曹义鸣 | 防pm两点五高透气性口罩、面罩或面具 |
CN105639771A (zh) * | 2016-03-25 | 2016-06-08 | 徐信东 | 一种口罩式空气过滤器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2411811Y (zh) * | 1999-12-30 | 2000-12-27 | 黄志宽 | 多防口罩 |
CN2544748Y (zh) * | 2002-05-20 | 2003-04-16 | 孙国庆 | 一种高效防烟尘口罩 |
US20030183233A1 (en) * | 2002-04-01 | 2003-10-02 | Wen-Tsung Chang | Respirator filter |
CN2609587Y (zh) * | 2003-05-07 | 2004-04-07 | 魏强 | 带鼻孔呼吸管的口罩 |
CN101683188A (zh) * | 2009-03-18 | 2010-03-31 | 朱惠芬 | 一种多用防护口罩 |
-
2013
- 2013-06-15 CN CN201310235608.8A patent/CN103271465B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2411811Y (zh) * | 1999-12-30 | 2000-12-27 | 黄志宽 | 多防口罩 |
US20030183233A1 (en) * | 2002-04-01 | 2003-10-02 | Wen-Tsung Chang | Respirator filter |
CN2544748Y (zh) * | 2002-05-20 | 2003-04-16 | 孙国庆 | 一种高效防烟尘口罩 |
CN2609587Y (zh) * | 2003-05-07 | 2004-04-07 | 魏强 | 带鼻孔呼吸管的口罩 |
CN101683188A (zh) * | 2009-03-18 | 2010-03-31 | 朱惠芬 | 一种多用防护口罩 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103876353A (zh) * | 2014-02-13 | 2014-06-25 | 杨家元 | 一种具有聚焦呼吸选择性过滤的口罩 |
CN103876353B (zh) * | 2014-02-13 | 2015-05-27 | 杨家元 | 一种具有聚焦呼吸选择性过滤的口罩 |
CN105310141A (zh) * | 2014-05-29 | 2016-02-10 | 曹义鸣 | 防pm两点五高透气性口罩、面罩或面具 |
CN105310141B (zh) * | 2014-05-29 | 2018-07-24 | 曹义鸣 | 防pm两点五高透气性口罩、面罩或面具 |
CN105639771A (zh) * | 2016-03-25 | 2016-06-08 | 徐信东 | 一种口罩式空气过滤器 |
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CN103271465B (zh) | 2014-12-03 |
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Effective date of registration: 20201221 Address after: 246001 Lingang Economic Development Zone, Yingjiang District, Anqing City, Anhui Province Patentee after: Han Primary School Address before: 225500 C2-304 room, Kam do international garden, Jiangyan Town, Jiangyan District, Taizhou, Jiangsu. Patentee before: Gao Yuqin |
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Effective date of registration: 20210305 Address after: 433000 Hubei Xiantao dry river office four yuan neighborhood committee Patentee after: HUBEI WANLI PROTECTIVE PRODUCTS Co.,Ltd. Address before: 246001 Lingang Economic Development Zone, Yingjiang District, Anqing City, Anhui Province Patentee before: Han Primary School |
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