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发明名称
Improvements in dust-laden air-filters
摘要
申请公布号
GB752767(A)
申请公布日期
1956.07.11
申请号
GB19540028227
申请日期
1954.09.30
申请人
HEINZJOSEF JUNKMANN
发明人
分类号
B01D46/04
主分类号
B01D46/04
代理机构
代理人
主权项
地址
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