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2021
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Invention
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Flange-less jacking pipe and casting method therefor. A flange-less jacking pipe comprises a pipe... |
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2016
|
Invention
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Composite anchoring body, pipeline connection device using anchoring body, and method for install... |
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|
Invention
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Socket-spigot pipeline interface having fastening structure. Disclosed is a socket-spigot pipelin... |
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2014
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Invention
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Bell and spigot type pipe joint, mounting and dismounting methods thereof, mounting clamp and dis... |
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Invention
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Spigot-and-socket pipe joint having anchoring function, installation method and installation card... |
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2013
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Invention
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Anticorrosive coating for buried black metal-based pipeline and method for spraying same. Provide... |
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2012
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Invention
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Bell and spigot type piping joint. Disclosed is a bell and spigot type piping joint, comprising a... |
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Invention
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A composite anti-corrosion lining comprising waterborne epoxy cover layer and use thereof. Disclo... |
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2011
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Invention
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Spigot-and-socket pipe joint with anchoring structure and installing method thereof. A spigot-and... |
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Invention
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New bearing ring material and production process thereof. Disclosed are a bearing ring material a... |
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2005
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G/S
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Aluminum-plastics compound pipes (mainly of aluminum); steel-plastics compound pipes (mainly of s... |
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1997
|
G/S
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Tuyaux métalliques et accessoires pour tuyaux métalliques. |
