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00651nas 2200205zu 4500 SKVPK0000356 CZ-VPK 20101123075304.0 150513u1981uuuu||||| | ||| || ||||||| 1542-7471 ABA013 cze Chemical abstracts. Collective index. Patents Chemical abstracts. Collective index. Patents Collective index Patents Columbus : American Chemical Society, 1981- chemie ch psh Chemical abstracts. Collective index. Patents, numerical patents, patent concordance ABA013 1992-1997 ABD012 1991-1997