| http://www.w3.org/ns/prov#value | - For example, external needle (10), the portion other than metal needle (21) of internal needle (20), needle tip protective part (30), etc., can be made of polypropylene, polycarbonate, polyurethane, nylon, silicone, polyether imides, polyether ether ketones, ABS resins, polyethylene, and other materials.
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