CN211525600U - 一种换向隔爆阀 - Google Patents
一种换向隔爆阀 Download PDFInfo
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CN112452196A (zh) * | 2020-11-29 | 2021-03-09 | 张靓 | 一种压裂用滑溜水、压裂液在线连续混配装置及使用方法 |
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CN112452196A (zh) * | 2020-11-29 | 2021-03-09 | 张靓 | 一种压裂用滑溜水、压裂液在线连续混配装置及使用方法 |
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Effective date of registration: 20220208 Address after: 221000 No. 15, sutun village, Zhengji Town, Tongshan District, Xuzhou City, Jiangsu Province Patentee after: Shu Yuan Address before: 221000 Quanshan Economic Development Zone Management Committee 1-227, No. 6, Tengfei Road, Quanshan Economic Development Zone, Quanshan District, Xuzhou City, Jiangsu Province Patentee before: Xuzhou Mingyang Technology Co.,Ltd. |
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Effective date of registration: 20220527 Address after: 221000 Quanshan Economic Development Zone Management Committee 1-272, No. 6, Tengfei Road, Quanshan Economic Development Zone, Quanshan District, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Bafang Industrial Equipment Co.,Ltd. Address before: 221000 No. 15, sutun village, Zhengji Town, Tongshan District, Xuzhou City, Jiangsu Province Patentee before: Shu Yuan |
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