CN205920164U - 手持式电阻率测试仪 - Google Patents
手持式电阻率测试仪 Download PDFInfo
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- CN205920164U CN205920164U CN201620979185.XU CN201620979185U CN205920164U CN 205920164 U CN205920164 U CN 205920164U CN 201620979185 U CN201620979185 U CN 201620979185U CN 205920164 U CN205920164 U CN 205920164U
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C14 | Grant of patent or utility model | ||
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Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Co-patentee after: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Co-patentee before: DA QING PETROLEUM ADMINISTRATION BUREAU Patentee before: China National Petroleum Corp. |
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CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200814 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Co-patentee after: CHINA PETROLEUM LOGGING Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Co-patentee before: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. Patentee before: CHINA NATIONAL PETROLEUM Corp. |
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TR01 | Transfer of patent right |