. . . "Millimeter Per Hour"@en-us . "mm/h"^^ . "0001-fold of the SI base unit metre divided by the unit hour"^^ . "H67" . "Millimetre Per Hour"@en . "2.77778e-07"^^ . . "mm/hr" . . . "0112/2///62720#UAA866" . . . "mm.h-1"^^ . "0001-fold of the SI base unit metre divided by the unit hour" . .