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发明名称
Verfahren zur Herstellung von Knattersteinen
摘要
申请公布号
DE813824(C)
申请公布日期
1951.09.17
申请号
DE1950K002302
申请日期
1950.03.28
申请人
KUHLMANN KARL;RICHTER EMIL
发明人
KUHLMANN KARL;RICHTER EMIL
分类号
C06B21/00
主分类号
C06B21/00
代理机构
代理人
主权项
地址
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