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发明名称
Verfahren zur Verbesserung von Zement und Zementmoertel
摘要
申请公布号
DE578716(C)
申请公布日期
1933.06.16
申请号
DE1931C044413D
申请日期
1931.02.18
申请人
CHEMISCHE FABRIK GRUENAU LANDSHOFF & MEYER AKT.-GES.
发明人
KIRCHNER DIPL.-ING. WALTER
分类号
C04B22/14
主分类号
C04B22/14
代理机构
代理人
主权项
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