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发明名称
Verfahren und Vorrichtung zur Herstellung zylindrischer Siebe und nach dem Verfahren hergestelltes Sieb.
摘要
申请公布号
CH288500(A)
申请公布日期
1953.01.31
申请号
CHD288500
申请日期
1950.10.16
申请人
ROTOVENT AG.
发明人
AG. ROTOVENT
分类号
B21D28/28
主分类号
B21D28/28
代理机构
代理人
主权项
地址
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