CN210836494U - 一种可燃气体报警控制器 - Google Patents
一种可燃气体报警控制器 Download PDFInfo
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- CN210836494U CN210836494U CN201922141541.7U CN201922141541U CN210836494U CN 210836494 U CN210836494 U CN 210836494U CN 201922141541 U CN201922141541 U CN 201922141541U CN 210836494 U CN210836494 U CN 210836494U
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Effective date of registration: 20211230 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 263 South Central Avenue Patentee after: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: DAQING OILFIELD AUTOMATION INSTRUMENT Co.,Ltd. Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 263 South Central Avenue Patentee before: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. Patentee before: Daqing Oilfield Automation Instrument Co., Ltd |
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TR01 | Transfer of patent right |