英文名称:Palladium On Calcium Carbonate Moistened With Water, 10% Pd,Unreduced; Palladium on calcium carbonate moistened with water, 5% Pd,unreduced; Palladium On Calcium Carbonate, 5 Wt. % Loading, Poisoned With Lead; Palladium On Calcium Carbonate Moistened With Water, 5% Pd,Unreduced