CN212400646U - 打印机供墨系统中负压发生器 - Google Patents
打印机供墨系统中负压发生器 Download PDFInfo
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CN111251718A (zh) * | 2020-03-19 | 2020-06-09 | 天津长荣数码科技有限公司 | 打印机供墨系统中负压发生器及负压控制方法 |
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CN111251718A (zh) * | 2020-03-19 | 2020-06-09 | 天津长荣数码科技有限公司 | 打印机供墨系统中负压发生器及负压控制方法 |
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Effective date of registration: 20230105 Address after: 300400 Tianjin Beichen District Tianjin New Technology Industrial Park Beichen Science and Technology Industrial Park Patentee after: Masterwork Group Co.,Ltd. Patentee after: TIANJIN JOINTELLIGENT INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 300400 No.11, Shuangchen Middle Road, economic and Technological Development Zone, Beichen District, Tianjin (2nd floor, office building of evergreen printing equipment Co., Ltd.) Patentee before: TIANJIN CHANGRONG DIGITAL TECHNOLOGY Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230510 Address after: 300400 No. 11, Shuangchen Middle Road, Beichen economic and Technological Development Zone, Beichen District, Tianjin (2nd floor, office building of evergreen printing equipment Co., Ltd.) Patentee after: TIANJIN CHANGRONG DIGITAL TECHNOLOGY Co.,Ltd. Address before: 300400 Tianjin Beichen District Tianjin New Technology Industrial Park Beichen Science and Technology Industrial Park Patentee before: Masterwork Group Co.,Ltd. Patentee before: TIANJIN JOINTELLIGENT INTELLIGENT TECHNOLOGY CO.,LTD. |
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TR01 | Transfer of patent right |