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Priority to PL21300379ApriorityCriticalpatent/PL213003A1/en
Publication of PL213003A1publicationCriticalpatent/PL213003A1/en
N-PHOSPHONOMETHYLENE-MONOAMINOALKANMONO- AND-POLYPHOSPHONIC ACIDS AND N-PHOSPHOMETHYLENEIININOALKANE-POLYPHOSPHONIC ACIDS AND THE METHOD OF PREPARATION