Autophragm does not have end steel sleeve box cofferdam
The utility model relates to a steel sleeve box cofferdam discloses autophragm does not have end steel sleeve box cofferdam, including upper segment section tank wall and lower section box, welded connection between the two, rectangle open structure is from top to bottom formed for the boxboard to l...
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Format: | Patent |
Sprache: | chi ; eng |
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