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发明名称
INNEN-DURCHLUEFTUNGSFILTER.
摘要
申请公布号
DE1712355(U)
申请公布日期
1955.12.08
申请号
DE195500ST745U
申请日期
1955.08.10
申请人
ARTUR STENZEL
发明人
ARTUR STENZEL
分类号
主分类号
代理机构
代理人
主权项
地址
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