ROHRKESSEL-WAERMETAUSCHER
ROY WILLBY,CHRISTOPHER, EDWARD SHEWARD,GEORGE, FREDERICK FIRTH,GEORGE, THOMAS ORMROD,DEREK, HAYDEN,OWEN
Year of Publication 17.08.1978
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Year of Publication 17.08.1978
Patent
DE2637605
HARWOOD, BOLTON, LANCS, CHESHIRE, GB, HAYDEN, OWEN, WILLBY, CHRISTOPHER ROY, LYMM, CHESHIRE, GB
Year of Publication 17.04.1986
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Year of Publication 17.04.1986
Patent