| http://www.w3.org/ns/prov#value | - 20100163254Device For Sealing Off A Well And A Pipe And A Fitting Method - The invention relates in particular to a device for sealing off a well or a pipe, that comprises a tubular sleeve that can be radially expanded by an inflating fluid, in order to press hermetically against the wall of the well or pipe, which sleeve is connected to end members, at least one of which comprises an annular skir
|
