CN208203216U - 一种新型卡瓦式天然气井下节流器 - Google Patents
一种新型卡瓦式天然气井下节流器 Download PDFInfo
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- CN208203216U CN208203216U CN201820800724.8U CN201820800724U CN208203216U CN 208203216 U CN208203216 U CN 208203216U CN 201820800724 U CN201820800724 U CN 201820800724U CN 208203216 U CN208203216 U CN 208203216U
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Effective date of registration: 20200114 Address after: 065000 Langfang City, Hebei province Guangyang District Gallery Beijing Road Business Street No. 2-16-17 Patentee after: Langfang City Piper Lectra Trade Co. Ltd. Address before: Weiyang Xu Jia Wan Che Jia Bao Cun 710000 Shaanxi city of Xi'an province with the construction of Road No. 6 Patentee before: Shaanxi Siyue Petroleum Equipment Manufacturing Engineering Co., Ltd. |
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CP02 | Change in the address of a patent holder |
Address after: Room 2026, unit 1, building 1, Rongsheng development building, Xiangyun Road, Langfang Economic and Technological Development Zone, Hebei Province 065000 Patentee after: Langfang City Piper Lectra Trade Co. Ltd. Address before: 065000 Langfang City, Hebei province Guangyang District Gallery Beijing Road Business Street No. 2-16-17 Patentee before: Langfang City Piper Lectra Trade Co. Ltd. |
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CP02 | Change in the address of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201207 Address after: Weiyang Xu Jia Wan Che Jia Bao Cun 710000 Shaanxi city of Xi'an province with the construction of Road No. 6 Patentee after: SHAANXI SIYUE PETROLEUM EQUIPMENT MANUFACTURING ENGINEERING Co.,Ltd. Address before: Room 2026, unit 1, building 1, Rongsheng development building, Xiangyun Road, Langfang Economic and Technological Development Zone, Hebei Province 065000 Patentee before: LANGFANG PAIBOLIKE SCIENCE AND TRADE Co.,Ltd. |
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