| 摘要 |
The invention relates to a valve or tap for fluids, comprising a body, a revolving shutter in said body between a closing position and opening position, and control means for rotating said shutter, wherein said control means can be moved axially between a raised position in which they are locked angularly to the body of the valve and a lowered position in which they are free to rotate, said means being normally held in a raised position by an elastic part.
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