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发明名称
Verfahren zur Herstellung von weißem Portlandzement.
摘要
申请公布号
AT158764(B)
申请公布日期
1940.05.25
申请号
ATD158764
申请日期
1938.05.14
申请人
DR. ING. OTTO SCHWACHHEIM
发明人
DR. ING. OTTO SCHWACHHEIM
分类号
主分类号
代理机构
代理人
主权项
地址
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