CN203740923U - 多功能管子吊基座吊的回转平台顶起机构 - Google Patents
多功能管子吊基座吊的回转平台顶起机构 Download PDFInfo
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- CN203740923U CN203740923U CN201420128351.6U CN201420128351U CN203740923U CN 203740923 U CN203740923 U CN 203740923U CN 201420128351 U CN201420128351 U CN 201420128351U CN 203740923 U CN203740923 U CN 203740923U
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CN104786002A (zh) * | 2015-04-30 | 2015-07-22 | 泰富重工制造有限公司 | 门座起重机回转支承部的维修方法及装置 |
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CN104786002A (zh) * | 2015-04-30 | 2015-07-22 | 泰富重工制造有限公司 | 门座起重机回转支承部的维修方法及装置 |
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C14 | Grant of patent or utility model | ||
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: Offshore Oil Engineering Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: Offshore Oil Engineering Co., Ltd. Patentee before: China National Offshore Oil Corporation |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20200320 |
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CF01 | Termination of patent right due to non-payment of annual fee |