Electrostatic gas emission control devices, namely, electrostatic precipitators for reducing particulate emission in industrial applications [ and ] parts [ thereof ]

'applic':15 'control':4 'devic':5 'electrostat':1,7 'emiss':3,12 'gas':2 'industri':14 'name':6 'part':17 'particul':11 'precipit':8 'reduc':10 'thereof':18

Electrostatic precipitators in the nature of air cleaning apparatus for removing particulate matter for industrial purposes [and ] parts [ thereof ]

'air':7 'apparatus':9 'clean':8 'electrostat':1 'industri':15 'matter':13 'natur':5 'part':18 'particul':12 'precipit':2 'purpos':16 'remov':11 'thereof':19

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