METHOD OF REGULATING GROWTH OF PLANTS von KARL METTSGER,DT, GERKHARD EGER,DT, KLAUS LYURSSEN,DT

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METHOD OF OBTAINING PENICILLIN OR CEPHALOSPORIN DERIVATIVES OR SALTS THEREOF IN FORM OF INDIVIDUAL ISOMERS OR HYDRATES von KARL GEORG METTSGER,DT, GANS-BODO KENIG,DT, VILFRID SHREK,DT, MIKHAEL PREJSS,DT

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METHOD OF PREPARING CRYSTALLINE PENICILLANIC ACIDS von KARL GEORG METTSGER,DT, GANS BODO KENIG,DT, GANS ROLF FURTVENGLER,DT, VILFRID SHREK,DT

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METHOD OF OBTAINING ANTIBIOTIC COMPLEX von DITMAR SHEFER,DT, KARL GEORG METTSGER,DT, MARTIN SHEER,DT, VERNER FRAMMER,DT, DELF SHMIDT,DT, TEO SHREDER,DT, KLAUS BAUER,DT, VILFRID KAUFMANN,DT

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