CN205260690U - 钻井平台转盘的液压啮合制动装置 - Google Patents
钻井平台转盘的液压啮合制动装置 Download PDFInfo
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CN106320973A (zh) * | 2016-08-30 | 2017-01-11 | 宝鸡石油机械有限责任公司 | 海洋深水钻机用转盘 |
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CN106320973A (zh) * | 2016-08-30 | 2017-01-11 | 宝鸡石油机械有限责任公司 | 海洋深水钻机用转盘 |
CN106320973B (zh) * | 2016-08-30 | 2018-05-15 | 宝鸡石油机械有限责任公司 | 海洋深水钻机用转盘 |
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C14 | Grant of patent or utility model | ||
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Effective date of registration: 20160929 Address after: 730314, No. 508 west section of the Yellow River Road, Lanzhou New District, Gansu, Lanzhou Patentee after: Lanzhou LS Petroleum Equipment Engineering Co., Ltd. Address before: 730050 Gansu province Lanzhou city Lanzhou District Kunlun Road West No. 516 Patentee before: Lanzhou Lan Shi Group Co.,Ltd |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 730314, No. 508 west section of the Yellow River Road, Lanzhou New District, Gansu, Lanzhou Patentee after: Lanzhou Lanshi petroleum equipment engineering Limited by Share Ltd Address before: 730314, No. 508 west section of the Yellow River Road, Lanzhou New District, Gansu, Lanzhou Patentee before: Lanzhou LS Petroleum Equipment Engineering Co., Ltd. |