odorant injection pumps for adding a malodorous scent to natural gas to assist in the detection of leaks

'ad':5 'assist':13 'detect':16 'gas':11 'inject':2 'leak':18 'malodor':7 'natur':10 'odor':1 'pump':3 'scent':8

automatic control valves for liquids and gases actuated by pneumatic, hydraulic, or electronic means; optical inspection apparatus for industrial use, namely, scope used for inspection of pipelines, vessels, and various other cavities; and automatic measured sampling machines actuated by pneumatic, hydraulic, or electronic means for gathering samples of crude oil, gas, and light liquids

'actuat':8,38 'apparatus':17 'automat':1,34 'caviti':32 'control':2 'crude':49 'electron':13,43 'gas':51 'gase':7 'gather':46 'hydraul':11,41 'industri':19 'inspect':16,25 'light':53 'liquid':5,54 'machin':37 'mean':14,44 'measur':35 'name':21 'oil':50 'optic':15 'pipelin':27 'pneumat':10,40 'sampl':36,47 'scope':22 'use':20,23 'valv':3 'various':30 'vessel':28

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