Means for conveying powdery material in fine distribution, particularly for use in flash die casting |
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申请号 | US56672556 | 申请日 | 1956-02-20 | 公开(公告)号 | US2825605A | 公开(公告)日 | 1958-03-04 |
申请人 | HANS SICKINGER; | 发明人 | HANS BIEL; RUNWALT KUHFUSS; WALDEMAR RASCHKE; | ||||
摘要 | |||||||
权利要求 | |||||||
说明书全文 |