DE2230830
WILLIAMS, ROGER MORLEY, MAIDENHEAD, BERKSHIRE, GB, ARNOLD, JOHN SPENCER, LIVERPOOL, GB, HODGES, KENNETH JAMES HAMER, BLANDFORD FORUM, DORSET, GB, SANDEMAN, THEODOR DUNCAN, BOOM, ROGER JOHN, SLOUGH, BUCKINGHAMSHIRE, GB, COSSERAT, DAVID COCKBURN, LONDON, GB, O'HALLORAN, MICHAEL MITTAGONG, N.S. WALES, AU, BECK, GEORGE MORLAND, CHILWELL, NOTTINGHAM, GB
Year of Publication 21.03.1985
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Year of Publication 21.03.1985
Patent