| 摘要 |
FIELD: rescue of submariners. SUBSTANCE: proposed guard includes bellows made from circular inflatable members interconnected by means of permeable stiffeners and drum with holes for drainage and cover with handles. Bellows is secured in said drum and is provided with safety valve; cover is secured on upper circular inflatable member of bellows. EFFECT: enhanced reliability; ease in storage and use. 1 dwg
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