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in 2004, the greatest seizures of piperonal were reported by china (13 tonnes); 2.4 tonnes was seized in europe, nearly all of it in romania (112).
v roku 2004 nahlásila najväčšie zachytenia piperonalu Čína (13 ton); 2,4 tony boli zachytené v európe, takmer všetko v rumunsku) (112).