chemicals, namely, absorption materials for separating chemical substances in chromatographic research

'absorpt':3 'chemic':1,7 'chromatograph':10 'materi':4 'name':2 'research':11 'separ':6 'substanc':8

[chromatographic laboratory equipment, namely, absorption columns and filters]

'absorpt':5 'chromatograph':1 'column':6 'equip':3 'filter':8 'laboratori':2 'name':4

[industrial chromatographic devices, namely, filter and absorption columns and filters]

'absorpt':7 'chromatograph':2 'column':8 'devic':3 'filter':5,10 'industri':1 'name':4

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