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发明名称
Verfahren und Vorrichtung zur Enteisenung von Quarzsand
摘要
申请公布号
DE678380(C)
申请公布日期
1939.07.14
申请号
DE1937D074951D
申请日期
1937.03.28
申请人
DUINGER GLASSANDWERK BOCK & CO.
发明人
BOCK DR. JUR. WILHELM
分类号
C03C1/02
主分类号
C03C1/02
代理机构
代理人
主权项
地址
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