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(11) | EP 0 049 168 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Fluid storage device |
| (57) Gas or light liquid is stored in an open bottomed floating container device stabilised
by peripherally disposed vertical buoyancy/balancing units part in and part out of
the surrounding liquid which units give differential buoyancy forces on disturbance
of the device from a uniform floating attitude. |