00620nam a2200229 a 4500 68461 BD-RjUL 20211209081757.0 170403s1949 enka b 001 0 eng d (BD-RjUL)68671 DLC TxCM DLC BD-RjUL eng eng 23 668.4 BAM 1949 Barron, Harry. 161796 Modern plastics / by Harry Barron. 2d ed., rev. London : Chapman & Hall, 1949. xx, 779 p. : ill. ; 22 cm. Includes bibliographies. Plastics. 202946 ddc BK 68461 68461 0 0 ddc 0 1 NFIC RUCL RUCL Reading 1957-09-23 Pub. Ltd. 45.80 0 668.4 BAM 1949 2017-04-03 00:00:00 C-1 2017-04-03 BK