Input-output norms for tungsten filament specify permitted input proportions and require imports match goods used in exports.

Standard input-output norms for Tungsten Filament (150 WCC) list normative input quantities (Tungsten Filament 1 Kg; Tungsten Wire 1.2 Kg; Molybdenum Wire 0.85 Kg) and state the entry is suspended by public notice; applicants must ensure imported goods match those actually used or required in the export product and adhere to proportions determined for manufacture.

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