CN212586986U - 一种用于天然气钢管的防带电报警器 - Google Patents
一种用于天然气钢管的防带电报警器 Download PDFInfo
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Address after: 518000 4A, block B, Union Square, 5022 Binhe Road, Futian District, Shenzhen, Guangdong. Patentee after: Shenzhen zhongran Energy Research Center Co.,Ltd. Address before: 518000 4A, block B, Union Square, 5022 Binhe Road, Futian District, Shenzhen, Guangdong. Patentee before: SHENZHEN CHINA GAS HIT GAS TECHNOLOGY RESEARCH INSTITUTE CO.,LTD. |
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Effective date of registration: 20220622 Address after: 518000 building 37, Dayun software Town, 8288 Longgang Avenue, Longgang street, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN ZHONGRAN TECHNOLOGY Co.,Ltd. Address before: 518000 4A, block B, Union Square, 5022 Binhe Road, Futian District, Shenzhen, Guangdong. Patentee before: Shenzhen zhongran Energy Research Center Co.,Ltd. |