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HCH mixed isomers abbr.
UN, chem. 六六六混合异构体
 English thesaurus
HCH abbr.
abbr. Herding Champion; benzene hexachloride
abbr., chem. hexacyclohexane
abbr., med. Health Care For The Homeless; Hygroscopic Condenser Humidifier
abbr., mil., avia. Office of the Chief of Chaplains
abbr., O&G hexa chloro cyclo hexane (MichaelBurov); hexa-chloro-cyclo-hexane (MichaelBurov); hexachloro cyclohexane (MichaelBurov); hexachlorocyclohexane (MichaelBurov)
abbr., O&G, sakh. hexachlorocyclohexanes
abbr., oil hexachloro-cyclohexane
HCH: 2 phrases in 1 subject
United Nations2