. "troy ounces"@en . "troy ounce"@en . "oz t"@en . "2016-03-08T09:12:35"^^ . "2016-03-08T08:56:51"^^ . "300404394" . "ounces, troy"@en . . "The standard system of weight in ounces used for precious metals and precious stones; one troy ounce is defined as exactly 31.1034768 g."@en . .