00312nam a2200109Ia 4500008004100000020001800041040002900059050002200088100001800110245004400128260003000172230222s9999||||xx |||||||||||||| ||und||  a0 7195 3637 5  cChuka University Library  aTA 403.2bT5 1979  aThomas, G. H. 0aDesign technology in metal and plastics  aJohn MurraybLondonc1979