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发明名称
Verfahren und Vorrichtung zur Herstellung von Hohlsteinen mit Stegen, deren Zwischenraeume an einer Stirnseite verengt sind
摘要
申请公布号
DE552500(C)
申请公布日期
1932.06.13
申请号
DE1929SC89893D
申请日期
1929.04.02
申请人
JAKOB SCHAETZ;JULIUS SCHAETZ
发明人
分类号
B28B11/00;B28B11/16
主分类号
B28B11/00
代理机构
代理人
主权项
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