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发明名称
Verfahren zur Herstellung von Quarzgegenstaenden
摘要
申请公布号
DE496662(C)
申请公布日期
1930.04.28
申请号
DE1926S076824D
申请日期
1926.11.04
申请人
LA SOCIETE QUARTZ & SILICE
发明人
分类号
C03B23/07
主分类号
C03B23/07
代理机构
代理人
主权项
地址
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