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Authority search results
Authorized headings		Type of heading	Records
Topical Term: Automobiles Motors Exhaust gas used for/see from: Automobile emissions Automobile exhaust gas (Earlier heading) Automobiles Exhaust gas Automobiles Motors Emissions Emissions, Automobile Exhaust gas, Automobile see also: Air Pollution (Broader heading) Automobiles Fuel consumption (Broader heading) Combustion gases (Broader heading) Automobiles Pollution control devices	Details	Topical Term	1 record
Topical Term: Automobiles Motors Exhaust gas Congresses	Details	Topical Term	0 records