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PCE
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CPC Subgroup
B21G 1/04

of needles specially adapted for use in machines or tools

Full Title

Making needles used for performing operations (forming heads on pin-like needles B21G3/12; making U-shaped hairpins B21G7/04) > of needles with eyes, e.g. sewing-needles, sewing-awls > of needles specially adapted for use in machines or tools