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经营范围
发明名称
Filter formed from corrugated and flat sheets
摘要
申请公布号
US3401803(A)
申请公布日期
1968.09.17
申请号
US19650511737
申请日期
1965.12.06
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
BUB ROBERT A.
分类号
B01D46/52
主分类号
B01D46/52
代理机构
代理人
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地址
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