00621cam a22002171  4500001001300000003000400013005001700017008004100034010001700075035001900092040001800111042001200129050001500141100004100156245005000197260005000247300004600297500003600343650000900379999001500388agr20001194 DLC20260227110941.0790521s1920    xx            000 0 eng    aagr20001194   a(OCoLC)4984574  aDLCcOCldDLC  apremarc00aTP242b.G71 aGreenwood, Harold Cecil,d1887-1919.10aIndustrial gases,cby Harold Cecil Greenwood.  aLondon,bBaillière, Tindall and Cox,c1920.  avii, [2], ix-xvii, 371 p.billus.c22 cm.  aReferences at ends of chapters. 0aGas.  c8667d8667