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Class Information
Number: 405/13
Name: Hydraulic and earth engineering > Means to expose a normally wetted surface,e.g., cofferdam, etc. > Having transport, placement, or dislodgement means
Description: Method or apparatus wherein means are provided (a) to move the enclosing means from one location to another, or (b) to effect either installation of an already formed enclosing means at the site at which it is to be used or its removal therefrom.
Patents under this class:
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