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发明名称
Verfahren und Vorrichtung zum Zusammenschmelzen der Enden gesprengter Glasringe
摘要
申请公布号
DE510505(C)
申请公布日期
1930.10.22
申请号
DE1928R075311D
申请日期
1928.08.04
申请人
FIRMA JOS. RIEDEL
发明人
分类号
C03B23/207
主分类号
C03B23/207
代理机构
代理人
主权项
地址
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