Drainage device for first-aid repair of gas pipeline and use method

The invention relates to the technical field of gas pipeline first-aid repair, in particular to a drainage device for gas pipeline first-aid repair and a using method, and the drainage device comprises a gas pipeline buried underground and a dug first-aid repair groove. According to the drainage dev...

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Bibliographic Details
Main Authors FU RUI, LIU HUIZHONG, XIE JUNSHENG
Format Patent
LanguageChinese
English
Published 18.07.2023
Subjects
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