. . . . . "04069582-n"^^ . "0"^^ . "reflux condenser"^^ . "103916118"@en-us . "103224647"@en-us . "condenser such that vapor over a boiling liquid is condensed and flows back into the vessel to prevent its contents from boiling dry"@en-us . . . "reflux condenser"@en-us . . "104069582"^^ . "0"^^ . .