LEADER 00000nam 2200193 a 4500 001 713417684 003 UkHlHU 007 t 008 991026s1971 000 020 713417684 040 UkHlHU 100 1 Kent, Graeme. 245 10 Inventions. 260 |bBatsford,|c1971. 300 96p. 440 0 Past-into-Present Series 650 0 Inventions. 936 UCS bib. record 946 260 lacks |a
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