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发明名称
Kegelige Zellenradschleuse fuer Druckluftfoerderung von Massengut
摘要
申请公布号
DE667263(C)
申请公布日期
1938.11.08
申请号
DE1937B177255D
申请日期
1937.02.06
申请人
KARL BRIEDEN;DIPL.-ING. ARNOLD ROEMER
发明人
分类号
E21F15/10
主分类号
E21F15/10
代理机构
代理人
主权项
地址
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