CN107899147B - 提高矿用自救器氧气利用率的方法 - Google Patents
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- CN107899147B CN107899147B CN201711151943.4A CN201711151943A CN107899147B CN 107899147 B CN107899147 B CN 107899147B CN 201711151943 A CN201711151943 A CN 201711151943A CN 107899147 B CN107899147 B CN 107899147B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/12—Respiratory apparatus with fresh-air hose
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
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- Respiratory Apparatuses And Protective Means (AREA)
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CN201711151943.4A CN107899147B (zh) | 2017-11-19 | 2017-11-19 | 提高矿用自救器氧气利用率的方法 |
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CN201711151943.4A CN107899147B (zh) | 2017-11-19 | 2017-11-19 | 提高矿用自救器氧气利用率的方法 |
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CN107899147A CN107899147A (zh) | 2018-04-13 |
CN107899147B true CN107899147B (zh) | 2021-12-07 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2326943A1 (fr) * | 1975-10-07 | 1977-05-06 | Masson Yves Le | Respirateur generateur de carbogene |
CN2374200Y (zh) * | 1999-05-07 | 2000-04-19 | 魏玉红 | 口腔用多用途口咽通气道 |
CN202605558U (zh) * | 2012-05-21 | 2012-12-19 | 侯俊杰 | 接力式压缩氧自救器 |
CN103263734A (zh) * | 2012-09-14 | 2013-08-28 | 吕伟新 | 矿用呼吸防护系统 |
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2017
- 2017-11-19 CN CN201711151943.4A patent/CN107899147B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2326943A1 (fr) * | 1975-10-07 | 1977-05-06 | Masson Yves Le | Respirateur generateur de carbogene |
CN2374200Y (zh) * | 1999-05-07 | 2000-04-19 | 魏玉红 | 口腔用多用途口咽通气道 |
CN202605558U (zh) * | 2012-05-21 | 2012-12-19 | 侯俊杰 | 接力式压缩氧自救器 |
CN103263734A (zh) * | 2012-09-14 | 2013-08-28 | 吕伟新 | 矿用呼吸防护系统 |
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CN107899147A (zh) | 2018-04-13 |
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PB01 | Publication | ||
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Effective date of registration: 20211122 Address after: 317000 no.360 Xiecheng Road, Dayang street, Linhai City, Taizhou City, Zhejiang Province Applicant after: Hu Jiawei Address before: 271202 Room 401, unit 3, building 51, dormitory of Xintai Huaheng Mining Co., Ltd., Tai'an City, Shandong Province Applicant before: Chen Aijun |
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TR01 | Transfer of patent right | ||
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Effective date of registration: 20221212 Address after: 102, East 1st Floor, Management Committee of Shandong Pingyi Economic Development Zone, West Section of Jinhua Road, Pingyi Street, Pingyi County, Linyi City, Shandong Province, 273300 Patentee after: Pingyi County Economic Development Enterprise Service Co.,Ltd. Address before: 317000 no.360 Xiecheng Road, Dayang street, Linhai City, Taizhou City, Zhejiang Province Patentee before: Hu Jiawei |