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 {HEAD ~ a reactor} of {TAIL ~ the apparatus} to be used in a conventional VAD method 
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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 { HEAD ~ a reactor } of { TAIL ~ the apparatus } to be used in a conventional VAD method
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