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发明名称
Verfahren und Einrichtung zur Förderung von staubförmigem Gut.
摘要
申请公布号
AT155495(B)
申请公布日期
1939.01.25
申请号
ATD155495
申请日期
1936.10.27
申请人
DR. ING. FEDERICO GRAF;DR. ING. GUIDO ZERKOWITZ
发明人
DR. ING. FEDERICO GRAF;DR. ING. GUIDO ZERKOWITZ
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