00425nam a22001337a 4500 604.2 BRA British Standards Institution 40168 British standard engineering drawing practice British Standards Institution London British Standards Institution c1953. 98 p. ill 26 cm. 0 0 0 604_200000000000000_BRA MCE 379 ddc BK 544524 544524 0 0 ddc 0 0 MCE MCE 2014-05-07 0 604.2 BRA MCE-29832 2014-05-07 2014-05-07 BK