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bo zuo rong lian lou liao cheng xing zuo bo li
Author(s): 
Pages: 2-3
Year: Issue:  2
Journal: Optical Technique

Keyword:  火石光学玻璃熔炼炉成型铝青铜漏料加热器镧玻璃铂金导管搅拌器;
Abstract: <正> 一、概况使用铂金坩埚熔炼镧冕、镧火石光学玻璃,一般都是采用间歇性熔炼,出炉浇注。这种方法的工艺较为陈旧,出炉时工人劳动强度大,良品率较低,而且硅碳棒电炉使用寿命较短。另外,随着光学工业的发展,对
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