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发明名称
Verfahren zum Herstellen von Schwebstoffiltern
摘要
申请公布号
DE722751(C)
申请公布日期
1942.07.21
申请号
DE1938D082740D
申请日期
1938.05.07
申请人
Drägerwerk Heinr. u. Bernhard Dräger
发明人
分类号
A62B23/00
主分类号
A62B23/00
代理机构
代理人
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