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发明名称
Verfahren zum Umformen eines erhitzten Quarzblockes durch Pressen
摘要
申请公布号
DE527047(C)
申请公布日期
1931.06.13
申请号
DED527047D
申请日期
1930.04.11
申请人
SOCIETE ANONYME QUARTZ & SILICE
发明人
分类号
C03B19/02
主分类号
C03B19/02
代理机构
代理人
主权项
地址
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