JP2983095B
PURPOSE:To make installation of pipes for weepholes easy, to prevent certainly the pipes from being clogged with concrete when placing the same, and to improve workability therefor. CONSTITUTION:By folding a pressure-resistant flexible pipe 9, a turned-up part 9a is formed at one end, and the turned...
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Main Author | |
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Format | Patent |
Language | English |
Published |
29.11.1999
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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