Heat retaining swimming pool or other water cover - has flat buoyant bodies with translucent top facing light absorbent layer
CH582629A5
Small sewage treatment plant - with partitions dividing spherical tank in preclarification, sludge digestion, activation and final clarification spaces
CH580490A5
Winding resin impregnated reinforcement threads on a sphere - with angular alignment of two axes of rotation varied constantly
CH582610A5
Silo top discharge machine - has frame with lockable pivot joints which are designed to allow outer components to hinge inwards
CH572388A5
Fibre reinforced duroplast gasoline storage tank with thermoplast line - has leak monitoring cavity network between outer shell and liner
DE2409429A1
Composting appts. for moist animal residues - comprises thermally insulated aeration vessel with distributor pipes below the level of the liquid and capable of rotation
FR2095738A5
Compact sewage treatment plant - for hotels,camping sites,etc
FR2099090A5
Continuous liquid gasification using submerged revolving nozzle - arms esp for activated sludge
CH532950A
Gas permeable walling - esp for feeding gas into liquid eg in rotary plant
