prov:value
| - ; Metals and metal alloys such as copper, carbon-steels, aluminum and its alloys, stainless steel, nickel and its alloys, tin and aluminum brasses, Phosphor bronzes, molybdenum and its alloys, Monel, etc.; Ceramics, glasses, cermets such as molybdenum-aluminum oxide and tungsten-titanium carbide; `Fibrous products such as papers, resin bonded fibrous sheeting, laminated sheets, glass filament rein
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