Local heating center has heating system, hot water store and/or fuel store as close together as possible
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Device for reducing the energy consumption of radiators
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Double parking garage as well as kit and process for its manufacture
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Multi-wall storage tank which can be made up of a plurality of structure elements, and structure wall element for constructing such storage tanks
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Process for producing a large volume hollow body having essentially a wall of reinforced synthetic resin, preferably textile-reinforced or glass fibre-reinforced polyester resin
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Heat recovery installation using the principle of the heat pump
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Heat recovery installation according to the principle of the heat pump
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Ambient heat-absorption equipment - has chamber connected to, or shut=off from ambient air for convection or radiation
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Reinforced concrete with increased load carrying capacity - obtd. by coating concrete with multiple layers of plastic laminates contg. glass fibre mats or rovings
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Cover for the sealable opening of storage tank - has screwed rod pulling cross member against opening wall with wear resistant end caps e.g. of polyamide
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Underground oil storage tank - with gas and fluid proof seal in leakage control chamber which is pref. filled with synthetic resin
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Double-walled leakproof heating oil tank with manhole - has collar with lining integral with outer and inner wall respectively
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DOUBLE-WALLED UNDERGROUND STORAGE CONTAINER FOR GROUNDWATER HAZARDOUS LIQUIDS SUCH AS HEATING OIL AND THE PROCESS FOR ITS PRODUCTION
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Method for installing an underground tank and device for carrying out the method
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DOUBLE-WALLED UNDERGROUND STORAGE CONTAINER FOR GROUNDWATER HAZARDOUS LIQUIDS SUCH AS HEATING OIL AND THE PROCESS FOR ITS PRODUCTION
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Heating oil tank made in two halves of reinforced concrete - with edge reinforcements of synthetic resin concrete
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Centrifugally cast hollow spheres - by mixing concrete or concrete/plastic in mould at low rotational velocity, and casting at higher velocity
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Centrifugally cast hollow spheres - by mixing concrete or concrete/plastic in mould at low rotational velocity, and casting at higher velocity
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Centrifugally cast hollow spheres - by mixing concrete or concrete/plastic in mould at low rotational velocity, and casting at higher velocity
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Fuel oil tank with an inner plastics container - andan outer shell of reinforced concrete
