CN215870350U - 一种新型防爆临时配电箱 - Google Patents
一种新型防爆临时配电箱 Download PDFInfo
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- CN215870350U CN215870350U CN202121388660.3U CN202121388660U CN215870350U CN 215870350 U CN215870350 U CN 215870350U CN 202121388660 U CN202121388660 U CN 202121388660U CN 215870350 U CN215870350 U CN 215870350U
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CN202021685084 | 2020-08-13 | ||
CN2020216850844 | 2020-08-13 |
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CN215870350U true CN215870350U (zh) | 2022-02-18 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20230818 Address after: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: COOEC SUBSEA TECHNOLOGY Co.,Ltd. Address before: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CNOOC Shenzhen Ocean Engineering Technology Service Co.,Ltd. Address before: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee before: COOEC SUBSEA TECHNOLOGY Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |