| http://www.w3.org/ns/prov#value | - For example, the inner circumferential face of the cylindrical portion having the cylindrical shape with a bottom is provided with at least one groove along the depth direction, side ends, in a major axis direction, of the elliptical tip of the lancet device are brought into contact with and are pressed against the portion except for the groove of the inner circumferential face, thus attaching the
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