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Inventor
Country: United States Of America
Art of making porous earthenware from mixtures of earthy and...
Combined fire-proof elevator and ventilating shaft
Filtering cistern or vat
Filtering material
Filtering water wells and reservoirs
Art of making porous earthenware from mixtures of earthy and...
Combined fire-proof elevator and ventilating shaft
Filtering cistern or vat
Filtering material
Filtering water wells and reservoirs
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Profile ID: LFCA-PAI-P-65575