CN207260977U - 一种地热钻井用除砂器 - Google Patents
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CN109538140A (zh) * | 2018-12-01 | 2019-03-29 | 湖南达道新能源开发有限公司 | 一种地热钻井用除砂器 |
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CN109538140A (zh) * | 2018-12-01 | 2019-03-29 | 湖南达道新能源开发有限公司 | 一种地热钻井用除砂器 |
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Effective date of registration: 20190521 Address after: 550008 No. 5 Baihua Avenue, Yunyan District, Guiyang City, Guizhou Province Patentee after: Guizhou Institute of Geological Engineering Survey and Design Address before: 550008 Two Geological Science and Technology Park of Guizhou Province, Shilin West Road, Guanshan Lake District, Guiyang City, Guizhou Province Patentee before: NO.111 GEOLOGICAL BRIGADE, BUREAU OF GEOLOGY AND MINERAL EXPLORATION AND DEVELOPMENT OF GUIZHOU PROVINCE |
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Address after: 550000 No. 5 Baihua Avenue, Yunyan District, Guiyang City, Guizhou Province Patentee after: Guizhou Geological Engineering Survey and Design Institute Co.,Ltd. Address before: 550008 No. 5 Baihua Avenue, Yunyan District, Guiyang City, Guizhou Province Patentee before: Guizhou Institute of Geological Engineering Survey and Design |
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