NgoMeyi 20, 1875, amazwe ayi-17 asayina "i-meter Convention" eParis, eFrance, lokhu kusezingeni lomhlaba jikelele lesistimu yamayunithi yamazwe ngamazwe futhi kuqinisekiswe imiphumela yokulinganisa ehambisana nesivumelwano sohulumeni.1999 October 11 to 15, the 21st session of the general co...
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