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发明名称
OELFILTER.
摘要
申请公布号
DE1846637(U)
申请公布日期
1962.02.15
申请号
DE196100H9766U
申请日期
1961.11.18
申请人
WALTER HENGST
发明人
WALTER HENGST
分类号
主分类号
代理机构
代理人
主权项
地址
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