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发明名称
Verfahren und Vorrichtung zum Herstellen von Brunnenfiltern
摘要
申请公布号
DE733744(C)
申请公布日期
1943.04.01
申请号
DE1941L102904D
申请日期
1941.01.04
申请人
HANS LANGE
发明人
LANGE HEINRICH
分类号
E03B3/20
主分类号
E03B3/20
代理机构
代理人
主权项
地址
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