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发明名称
Duese fuer Filtermaterial-Strahlwaescher
摘要
申请公布号
DE577048(C)
申请公布日期
1933.05.24
申请号
DE1932H130124D
申请日期
1932.01.10
申请人
ALFRED HELL
发明人
分类号
B01D24/46
主分类号
B01D24/46
代理机构
代理人
主权项
地址
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