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经营范围
发明名称
Perfectionnements apportés aux procédés et dispositifs pour l'étirage ou le filage de fils ou bandes en quartz ou autres oxydes à point de fusion élevé
摘要
申请公布号
FR835428(A)
申请公布日期
1938.12.21
申请号
FRD835428
申请日期
1938.03.18
申请人
发明人
FRANZ SKAUPY;GUSTAV WEISSENBERG
分类号
C03B37/02
主分类号
C03B37/02
代理机构
代理人
主权项
地址
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