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发明名称
Siebeinsatz fuer Diffuseure
摘要
申请公布号
DE512788(C)
申请公布日期
1930.11.17
申请号
DE1929L077110D
申请日期
1929.12.31
申请人
ERNST LEHNE
发明人
分类号
C13B10/12
主分类号
C13B10/12
代理机构
代理人
主权项
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