DEVICE FOR SEALING THROUGH DEFECTS OF PIPELINE
A device for sealing through defects of pipeline includes a screw pressing mechanism, this includes body in which elastic gasket and pressing plate are placed, and in the body screw openings are provided, there power screws interacting with pressing plate are placed. The body of the screw pressing m...
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Format: | Patent |
Sprache: | eng ; rus ; ukr |
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