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Protective cover for vehicle windows, in particular for the windscreen of motor vehicles
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Method and device for composting muell or muell wastewater mud mixtures by thermal red
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Thermal composing of refuse or mixt. with sludge - by successive layering over filter bed receiving humidity and temp. controlled air
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Method and device for composting muell or muell wastewater mud mixtures by thermal red
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Refuse compositing system - by thermal rotting in layers intermittently laid on air filter bed
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Refuse conversion into compost - by dumping in open air layers on air filter beds
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Device for forming a rent from muell or muell-cleaning sludge mixtures for composition by thermal red
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Aerating tunnel supports for compost heap of decomposing waste - comprising trestles standing on pallets with perforated tops
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Aerating tunnel supports for compost heap of decomposing waste - comprising trestles standing on pallets with perforated tops
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Compost heap for household refuse and industrial waste - automatically aerated to obviate turning operation
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Method of and apparatus for the treatment and purification of refuse or refuse/sewage sludge mixtrues by means of composting
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PROCESS FOR THE PREPARATION AND HYGIENIZATION OF MUELL OR MUELL SLUDGE MIXTURES BY COMPOSTING
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Compost heap for household refuse and industrial waste - automatically aerated to obviate turning operation
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Compost heap for household refuse and industrial waste - automatically aerated to obviate turning operation
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