CN203097548U - 一种防止内压过高的闭门器 - Google Patents
一种防止内压过高的闭门器 Download PDFInfo
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- CN203097548U CN203097548U CN 201320083908 CN201320083908U CN203097548U CN 203097548 U CN203097548 U CN 203097548U CN 201320083908 CN201320083908 CN 201320083908 CN 201320083908 U CN201320083908 U CN 201320083908U CN 203097548 U CN203097548 U CN 203097548U
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CN 201320083908 CN203097548U (zh) | 2013-02-25 | 2013-02-25 | 一种防止内压过高的闭门器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110847740A (zh) * | 2019-11-16 | 2020-02-28 | 罗力川 | 开门力度更轻且闭门速度更稳的门控天弹簧 |
CN112412227A (zh) * | 2020-12-02 | 2021-02-26 | 合肥力驰信息科技发展有限公司 | 一种基于热固性树脂浸渍防火门用启闭设备 |
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2013
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110847740A (zh) * | 2019-11-16 | 2020-02-28 | 罗力川 | 开门力度更轻且闭门速度更稳的门控天弹簧 |
CN112412227A (zh) * | 2020-12-02 | 2021-02-26 | 合肥力驰信息科技发展有限公司 | 一种基于热固性树脂浸渍防火门用启闭设备 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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CP01 | Change in the name or title of a patent holder |
Address after: 215416 Jiangsu city of Suzhou province Taicang City Shuangfeng town Industrial Park Road No. 1 in Fulda Patentee after: SUZHOU FUERDA INDUSTRY Co.,Ltd. Address before: 215416 Jiangsu city of Suzhou province Taicang City Shuangfeng town Industrial Park Road No. 1 in Fulda Patentee before: SUZHOU FUERDA INDUSTRY Co.,Ltd. |
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CB03 | Change of inventor or designer information |
Inventor after: Zhu Like Inventor after: Nie Fei Inventor before: Nie Fei |
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CB03 | Change of inventor or designer information | ||
CX01 | Expiry of patent term |
Granted publication date: 20130731 |
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CX01 | Expiry of patent term |