Controlling means of underwater concrete bored concrete pile elevation
The utility model discloses a convenient to use, swift accurate controlling means of underwater concrete bored concrete pile elevation and application method, the technical scheme who adopts does: the lifting rope sets up the top at the well -bucket, be used for carrying and draw the well -bucket, t...
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Main Authors | , , , , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
25.07.2017
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Subjects | |
Online Access | Get full text |
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