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putkisaneerauksessa use haarakappale and method putkiasetelman haarakohdan remediation
putkisaneerauksessa use haarakappale and method putkiasetelman haarakohdan remediation
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机译:在管道翻新中使用支管件和方法管道布置支护
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摘要
The branch piece is for renovating a pipeline and has a main line pipe and at least one branch pipe connected with the main line pipe. The branch piece is elastic and has an inner sheathing, an outer sheathing and, at least on a part of the branch piece, a flexible reinforcement layer disposed between the inner sheathing and the outer sheathing. The branch piece regains its shape after compression.
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