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发明名称
Filter.
摘要
申请公布号
CH197855(A)
申请公布日期
1938.05.31
申请号
CHD197855
申请日期
1937.09.06
申请人
BERGER FRIEDRICH
发明人
FRIEDRICH BERGER
分类号
B01D29/46;B01D35/00
主分类号
B01D29/46
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代理人
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