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发明名称
VORRICHTUNG ZUM HERSTELLEN VON FILTERN.
摘要
申请公布号
DE1902535(U)
申请公布日期
1964.10.22
申请号
DE196400W3222U
申请日期
1964.08.07
申请人
WALKER MANUFACTURING COMPANY
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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