CN207438021U - 一种供气管道应急维修装置 - Google Patents
一种供气管道应急维修装置 Download PDFInfo
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Effective date of registration: 20220427 Address after: 510000 unit B on the 30th and 31st floor and unit a on the 32nd floor, No.3 Linjiang Avenue, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU DEVELOPMENT Group Inc. Patentee after: GUANGZHOU GAS GROUP Co.,Ltd. Patentee after: Guangzhou Huadu development Gas Co.,Ltd. Address before: 510000 28-30 Floor, No. 3 Linjiang Avenue, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU DEVELOPMENT Group Inc. Patentee before: GUANGZHOU GAS GROUP Co.,Ltd. Patentee before: GUANGZHOU DEVELOPMENT NATURAL GAS UTILIZATION Co.,Ltd. |