An apparatus for manufacturing an optical fiber soot, which comprises a core partition having an opening portion at core burner side provided on a periphery of a core burner, in a reactor of {HEAD ~ the apparatus} to be used in {TAIL ~ a conventional VAD method} 
An apparatus for manufacturing an optical fiber soot , which comprises a core partition having an opening portion at core burner side provided on a periphery of a core burner , in a reactor of { HEAD ~ the apparatus } to be used in { TAIL ~ a conventional VAD method }
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