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发明名称
Vorrichtung zur Herstellung von aus einer Zierscheibe, Einlagen und einem den Hohlraum abschliessenden und die Annaehoese tragenden Platte bestehenden Knoepfen
摘要
申请公布号
DE1272868(B)
申请公布日期
1968.07.18
申请号
DE1964A046818
申请日期
1964.08.11
申请人
F. W. ASSMANN & SOEHNE
发明人
PAAPE SIEGHARD
分类号
B21D53/48
主分类号
B21D53/48
代理机构
代理人
主权项
地址
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