treated silica in column and cartridge form for analyses in laboratories

'analys':9 'cartridg':6 'column':4 'form':7 'laboratori':11 'silica':2 'treat':1

chemical preparations in the nature of treated silica columns and cartridges used to create selective adsorbency for pharmaceutical purposes

'adsorb':16 'cartridg':11 'chemic':1 'column':9 'creat':14 'natur':5 'pharmaceut':18 'prepar':2 'purpos':19 'select':15 'silica':8 'treat':7 'use':12

apparatus in the nature of columns and cartridges containing treated silica for use in medical analyses

'analys':16 'apparatus':1 'cartridg':8 'column':6 'contain':9 'medic':15 'natur':4 'silica':11 'treat':10 'use':13

DIAZEM

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