| 摘要 |
An equipped balancing jacket comprising a stiff back housing ( 1 ), a first stage pressure ( 101 ) reducer connected to at least one compressed air tank, said first stage pressure reducer being in turn connected by means of a low pressure hose (LP) to a first distributor ( 3 ) ( 12 ), said first distributor being in turn connected by lines coming out from said first distributor with a plurality of outlets ( 13, 14 ) characterized in that the stiff back housing has a cavity, the internal surface of the cavity has a grooved guide ( 15 ) and the distributor ( 12 ) is engaged with this guide and in use moves trough it.
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