CN212337244U - 一种超长冲程智能抽油装置 - Google Patents
一种超长冲程智能抽油装置 Download PDFInfo
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- CN212337244U CN212337244U CN202021452521.8U CN202021452521U CN212337244U CN 212337244 U CN212337244 U CN 212337244U CN 202021452521 U CN202021452521 U CN 202021452521U CN 212337244 U CN212337244 U CN 212337244U
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CN202021452521.8U CN212337244U (zh) | 2020-07-22 | 2020-07-22 | 一种超长冲程智能抽油装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111663925A (zh) * | 2020-07-22 | 2020-09-15 | 吕学民 | 一种超长冲程智能抽油装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111663925A (zh) * | 2020-07-22 | 2020-09-15 | 吕学民 | 一种超长冲程智能抽油装置 |
CN111663925B (zh) * | 2020-07-22 | 2024-02-13 | 梅河口市弘业无缝钢管有限公司 | 一种超长冲程智能抽油装置 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220609 Address after: 135000 Jianguo Road, Meihekou City, Tonghua City, Jilin Province Patentee after: MEIHEKOU CITY XINGYE PRECISION STEEL TUBE CO.,LTD. Address before: No. 251, East Street, Meihekou City, Tonghua City, Jilin Province Patentee before: Lv Xuemin |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230413 Address after: No. 251, East Street, Meihekou City, Tonghua City, Jilin Province Patentee after: Meihekou Hongye Seamless Steel Tube Co.,Ltd. Patentee after: MEIHEKOU CITY XINGYE PRECISION STEEL TUBE CO.,LTD. Address before: 135000 Jianguo Road, Meihekou City, Tonghua City, Jilin Province Patentee before: MEIHEKOU CITY XINGYE PRECISION STEEL TUBE CO.,LTD. |