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发明名称
VERFAHREN ZUR HERSTELLUNG VON HOHLKUGELN AUS GLAS
摘要
申请公布号
DE1961628(B2)
申请公布日期
1972.03.30
申请号
DE19691961628
申请日期
1969.12.09
申请人
发明人
分类号
C03B19/10;(IPC1-7):C03B19/10
主分类号
C03B19/10
代理机构
代理人
主权项
地址
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