CN1961993B - 厨房卫生间排气道专用防火阀结构 - Google Patents
厨房卫生间排气道专用防火阀结构 Download PDFInfo
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- CN1961993B CN1961993B CN2006101569706A CN200610156970A CN1961993B CN 1961993 B CN1961993 B CN 1961993B CN 2006101569706 A CN2006101569706 A CN 2006101569706A CN 200610156970 A CN200610156970 A CN 200610156970A CN 1961993 B CN1961993 B CN 1961993B
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CN2006101569706A CN1961993B (zh) | 2006-11-20 | 2006-11-20 | 厨房卫生间排气道专用防火阀结构 |
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CN2006101569706A CN1961993B (zh) | 2006-11-20 | 2006-11-20 | 厨房卫生间排气道专用防火阀结构 |
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CN1961993A CN1961993A (zh) | 2007-05-16 |
CN1961993B true CN1961993B (zh) | 2011-04-06 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103244730A (zh) * | 2012-02-08 | 2013-08-14 | 张琦 | 一种防火排气阀 |
CN103244729A (zh) * | 2012-02-08 | 2013-08-14 | 张琦 | 一种防火排气阀 |
CN103244717A (zh) * | 2012-02-08 | 2013-08-14 | 张琦 | 一种止回阀 |
CN102605935A (zh) * | 2012-04-24 | 2012-07-25 | 葛福祥 | 住宅防火门排风道结构 |
CN105595646A (zh) * | 2016-03-04 | 2016-05-25 | 江苏埃德伯格电气有限公司 | 一种智能危化品防火防爆安全柜系统 |
US10934674B2 (en) | 2016-08-17 | 2021-03-02 | Art Metal Industries, Llc | Single bay mechanical closure device |
US10704249B2 (en) | 2016-08-17 | 2020-07-07 | Art Metal Industries, Llc | Mechanical closure device |
CN111006044B (zh) * | 2019-12-30 | 2024-03-01 | 唐山市正达建筑材料有限公司 | 一种房屋建筑用射引流拔气防火阀及其使用方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2359572Y (zh) * | 1998-11-04 | 2000-01-19 | 马光耀 | 多功能烟道 |
CN2731289Y (zh) * | 2004-09-21 | 2005-10-05 | 张琦 | 高层楼房共用排烟气道多功能逆止阀 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2359572Y (zh) * | 1998-11-04 | 2000-01-19 | 马光耀 | 多功能烟道 |
CN2731289Y (zh) * | 2004-09-21 | 2005-10-05 | 张琦 | 高层楼房共用排烟气道多功能逆止阀 |
Non-Patent Citations (1)
Title |
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CN 2359572 Y,说明书第1页倒数第1段-第2页倒数第1段、图1,2. |
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CN1961993A (zh) | 2007-05-16 |
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Effective date of registration: 20120615 Address after: Xiangnian Plaza Nanshan District Qiaoxiang road 518053 Shenzhen city in Guangdong province (North) building (C block) 604 Patentee after: Shenzhen Wanshaju Industrial Development Ltd. Address before: 518000 Yitian village, Shenzhen, Guangdong 49-101, Futian District Patentee before: Zhang Qi |