Process for the production of biogas, and the use of a mixing machine as a biogas-production plant
WO9012771A2
Process for obtaining a solid fertilizer product from liquid manure
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Device for producing large cylindrical containers by winding resin-impregnated fibres (rovings)
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Process for sealing open asbestos layers on ceilings in buildings
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DEVICE AND METHOD FOR PRODUCING SOLID FERTILIZER FROM GUELLE
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Plastic spoked wheel for vehicles and process and device for the manufacture thereof
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Mixed sewerage system rain water overflow flat - is segment linked to lever with arms on inflow and outflow sides
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Mixed sewerage system rain water overflow flap - has bottom arms linking it to spaced swivel spindle, and protruding top piece
ES288558A1
Procedure and device for the manufacture of concrete pipes, in particular of cement concrete (Machine-translation by Google Translate, not legally binding)
ES287469A1
Procedure for the manufacture of consistent bodies of concrete, especially of cement concrete, provided of framework (Machine-translation by Google Translate, not legally binding)