00931nam0-22003251i-450-990000079310403321000007931FED01000007931(Aleph)000007931FED0100000793120011111d--------km-y0itay50------baitay-------001yyManufacture of concrete roofing tilesby R. H. Baumgarten and H. L. Childe.2. ed.LondonConcrete publications limited1947VIII, 92 p.ill.22 cmConcrete seriesTegole in calcestruzzo624.183 4Baumgarten,R. H.5377Childe,H. L.ITUNINARICAUNIMARCBK99000007931040332113 M 21 1822653FINBCFINBCManufacture of concrete roofing tiles110117UNINAING01