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发明名称
Verfahren zum Schutz von Betongruendungen gegen zerstoerende Einfluesse des Bodens oder des Grundwassers
摘要
申请公布号
DE716110(C)
申请公布日期
1942.01.13
申请号
DE1938O023686D
申请日期
1938.07.09
申请人
OSTPREUSSENWERK AG.;WALTER LUDWIG
发明人
LUDWIG WALTER
分类号
E02D31/06
主分类号
E02D31/06
代理机构
代理人
主权项
地址
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