20180830083152001.0TRUECalculateField IPOnorm_Binnenmaas IPO_klasse "I" VB #CalculateField IPOnorm_Binnenmaas IPO_klasse "geen" VB #CalculateField IPOnorm_Binnenmaas IPO_klasse "geen" VB #CalculateField IPOnorm_Binnenmaas IPO_klasse "II" VB #CalculateField IPOnorm_Binnenmaas IPO_klasse "III" VB #CalculateField IPOnorm_Binnenmaas IPO_klasse "geen" VB #