| http://www.w3.org/ns/prov#value | - In view of the foregoing, an object of the present invention is to provide a laser-beam emitting head which is capable of efficiently performing a preventive-maintenance/repair operation using laser beams even if a portion which must be machined is a narrow portion, a light transmission apparatus incorporating the laser-beam emitting head and a preventive-maintenance/repair apparatus for an incore
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