Reversible Tapping Chucks input-output norms require imported inputs to match those used in exported products.

Standard input-output norms for Reversible Tapping Chucks (TA 12) list inputs: Alloy steel rounds/bars (2.83 kg per kg of export product) and circlip, deep groove ball bearing, shoulder sleeve bearing and shim on a net to net basis. Applicants must determine proportions of inputs used in the resultant product and ensure imported goods are those actually used or required in the export product.

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