CN203875147U - 一种脚手架立杆钢管凹痕修复装置 - Google Patents
一种脚手架立杆钢管凹痕修复装置 Download PDFInfo
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- CN203875147U CN203875147U CN201420310548.1U CN201420310548U CN203875147U CN 203875147 U CN203875147 U CN 203875147U CN 201420310548 U CN201420310548 U CN 201420310548U CN 203875147 U CN203875147 U CN 203875147U
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CN104889200A (zh) * | 2015-06-10 | 2015-09-09 | 上海大学 | 滤芯中心管内圆矫正装置 |
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Cited By (1)
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CN104889200A (zh) * | 2015-06-10 | 2015-09-09 | 上海大学 | 滤芯中心管内圆矫正装置 |
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Effective date of registration: 20210826 Address after: 102200 222, 2nd floor, building 1, yard 25, Jingxing street, Changping District, Beijing Patentee after: Beijing Hongjian Tongda Engineering Technology Co.,Ltd. Address before: 100102 northwest corner of hengqiao village, machikou Town, Changping District, Beijing Patentee before: BEIJING SHENG MING JIAN DA ENGINEERING Co.,Ltd. |
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Addressee: Beijing Hongjian Tongda Engineering Technology Co.,Ltd. Person in charge of patentsThe principal of patent Document name: Notice of termination of patent right |
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CF01 | Termination of patent right due to non-payment of annual fee |