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发明名称
FILTERMEDIUM FUER GESICHTSMASKEN
摘要
申请公布号
DE2650339(A1)
申请公布日期
1977.05.18
申请号
DE19762650339
申请日期
1976.11.03
申请人
THE DEXTER CORP.
发明人
FRANCIS BIGGINS,WALTER
分类号
B01D35/28;A61B19/00;A62B23/00;A62B23/02;B01D39/20;C12M1/12;(IPC1-7):B01D39/16
主分类号
B01D35/28
代理机构
代理人
主权项
地址
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