CN202882620U - 矿用隔爆型低压防爆开关快开门机构 - Google Patents
矿用隔爆型低压防爆开关快开门机构 Download PDFInfo
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- CN202882620U CN202882620U CN 201220514387 CN201220514387U CN202882620U CN 202882620 U CN202882620 U CN 202882620U CN 201220514387 CN201220514387 CN 201220514387 CN 201220514387 U CN201220514387 U CN 201220514387U CN 202882620 U CN202882620 U CN 202882620U
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CN 201220514387 CN202882620U (zh) | 2012-10-09 | 2012-10-09 | 矿用隔爆型低压防爆开关快开门机构 |
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CN112867294A (zh) * | 2019-11-12 | 2021-05-28 | 西门子股份公司 | 防爆耐压壳体 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112867294A (zh) * | 2019-11-12 | 2021-05-28 | 西门子股份公司 | 防爆耐压壳体 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: CHENGKAI HEBEI TECHNOLOGY DEVELOPMENT CO., LTD. Free format text: FORMER NAME: HEBEI CHENGKAI EXPLOSION PROOF ELECTRIC CO., LTD. |
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CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: Linzhang County, Hebei province 056600 Handan yedU Industrial Park Patentee after: Chengkai Hebei Science and Technology Development Co., Ltd. Address before: 056000 Hebei city of Handan province Cixian high-speed road 1 kilometers east of Linzhang yedU Industrial Park Patentee before: Hebei Chengkai Explosion-Proof Electric Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20151009 |
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EXPY | Termination of patent right or utility model |