CN217440796U - 一种开口可控的消防通风阀门 - Google Patents
一种开口可控的消防通风阀门 Download PDFInfo
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- CN217440796U CN217440796U CN202123333097.2U CN202123333097U CN217440796U CN 217440796 U CN217440796 U CN 217440796U CN 202123333097 U CN202123333097 U CN 202123333097U CN 217440796 U CN217440796 U CN 217440796U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000779 smoke Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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CN202123333097.2U CN217440796U (zh) | 2021-12-28 | 2021-12-28 | 一种开口可控的消防通风阀门 |
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CN202123333097.2U CN217440796U (zh) | 2021-12-28 | 2021-12-28 | 一种开口可控的消防通风阀门 |
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CN217440796U true CN217440796U (zh) | 2022-09-16 |
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Effective date of registration: 20240314 Address after: A372, 1st Floor, Building 1, No. 73 Changhong West Road, Xilu Street, Fangshan District, Beijing, 102400 (Cluster Registration) Patentee after: Zhongda Century Engineering Co.,Ltd. Country or region after: China Address before: 253000 south of 888m Road, Mazhuang East, Luquantun Town, Wucheng County, Dezhou City, Shandong Province Patentee before: Shandong nuoyu ventilation equipment Co.,Ltd. Country or region before: China |