CN216741414U - 一种石油钻井用循环套 - Google Patents
一种石油钻井用循环套 Download PDFInfo
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- CN216741414U CN216741414U CN202220455820.XU CN202220455820U CN216741414U CN 216741414 U CN216741414 U CN 216741414U CN 202220455820 U CN202220455820 U CN 202220455820U CN 216741414 U CN216741414 U CN 216741414U
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- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
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CN202220455820.XU CN216741414U (zh) | 2022-03-03 | 2022-03-03 | 一种石油钻井用循环套 |
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CN202220455820.XU CN216741414U (zh) | 2022-03-03 | 2022-03-03 | 一种石油钻井用循环套 |
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Effective date of registration: 20240705 Address after: Room 2-2-602, Family Courtyard of Nanguo Tax Inspection Bureau, Railway Station Square, Yuyang District, Yulin City, Shaanxi Province 719000 Patentee after: Shaanxi Zifu Industrial Co.,Ltd. Country or region after: China Address before: 215151 No.2, Shiyang Road, Huqiu District, Suzhou City, Jiangsu Province Patentee before: SUZHOU HIGH-TECH ZONE DINGZHENG PRECISION ELECTRO-MECHANICAL Co.,Ltd. Country or region before: China |
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