00456cam a22001694a 4500003001000000005001700010008004100027040002500068041000800093044000800101080001200109110003200121245004100153260005500194650001800249655001900267AR-SsjUIB20250710162750.0250429s1952    xxu           000 0 eng d  aAR-SsjUIBcAR-SsjUIB0 aeng  axxu  a622.3442 aLead Industries Association10aLead, in modern industry :bof lead.  aNew York :bLead Alloys and Lead compoynds,c1952. 7aMetales2lemb 7aLibro2unescot