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经营范围
发明名称
Verfahren zum Herstellen von Rauchfiltereinlagen
摘要
申请公布号
DE667781(C)
申请公布日期
1938.11.19
申请号
DE1935F078775D
申请日期
1935.02.01
申请人
FILTER TIPS LIMITED
发明人
分类号
A24D3/02
主分类号
A24D3/02
代理机构
代理人
主权项
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