au.\*:("KOCH RK")
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ZUR ADSORPTION VON GASFOERMIGEN SCHADSTOFFEN MIT AKTIVKOHLE = ADSORPTION OF GASEOUS POLLUTANTS BY MEANS OF ACTIVATED CARBON = ADSORPTION DE POLLUANTS GAZEUX PAR LE CHARBON ACTIFKOCH RK; SCHENK J.1980; LUFT-KAELTETECH.; ISSN 0024-7251; DDR; DA. 1980; VOL. 16; NO 3; PP. 148-151; ABS. RUS/ENG; BIBL. 2 REF.Article
SANDCASTING TITANIUM AND ZIRCONIUMBURRUS JM; KOCH RK.1982; FOUNDRY MANAGE. & TECHNOL.; USA; DA. 1982-05; VOL. 110; NO 5; 43-44, 46, 48, 50-51; BIBL. 14 REF.Article