CN202324433U - 一种矿用拉/压结构螺旋式梯子间 - Google Patents
一种矿用拉/压结构螺旋式梯子间 Download PDFInfo
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- CN202324433U CN202324433U CN201120439287XU CN201120439287U CN202324433U CN 202324433 U CN202324433 U CN 202324433U CN 201120439287X U CN201120439287X U CN 201120439287XU CN 201120439287 U CN201120439287 U CN 201120439287U CN 202324433 U CN202324433 U CN 202324433U
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CN201120439287XU CN202324433U (zh) | 2011-11-08 | 2011-11-08 | 一种矿用拉/压结构螺旋式梯子间 |
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CN201120439287XU CN202324433U (zh) | 2011-11-08 | 2011-11-08 | 一种矿用拉/压结构螺旋式梯子间 |
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CN202324433U true CN202324433U (zh) | 2012-07-11 |
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CN201120439287XU Expired - Fee Related CN202324433U (zh) | 2011-11-08 | 2011-11-08 | 一种矿用拉/压结构螺旋式梯子间 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106836001A (zh) * | 2017-04-07 | 2017-06-13 | 中铁八局集团第工程有限公司 | 集混凝土输送管道为一体的桥梁施工梯道结构 |
CN109403563A (zh) * | 2018-11-19 | 2019-03-01 | 北京市机械施工有限公司 | 一种室内超大单梯梁悬臂式旋转钢楼梯及其制作方法 |
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2011
- 2011-11-08 CN CN201120439287XU patent/CN202324433U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106836001A (zh) * | 2017-04-07 | 2017-06-13 | 中铁八局集团第工程有限公司 | 集混凝土输送管道为一体的桥梁施工梯道结构 |
CN109403563A (zh) * | 2018-11-19 | 2019-03-01 | 北京市机械施工有限公司 | 一种室内超大单梯梁悬臂式旋转钢楼梯及其制作方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xi'an Mellon control engineering limited liability company Assignor: China Coal Sian Desigineering Co., Ltd. Contract record no.: 2014610000022 Denomination of utility model: Spiral-type ladder compartment with pulling/pressing structure for mine Granted publication date: 20120711 License type: Exclusive License Record date: 20140320 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20151108 |
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EXPY | Termination of patent right or utility model |